Laboratory for Mathematical Engineering 本文へジャンプ
Publications
Refereed Article
Conference Presentation
Book
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Refereed Article
1. S. Kubota and K. Sakai, Relationship between obsessive-compulsive disorder and chaos, Medical Hypotheses, 59: 16-23, 2002.

2. S. Kubota and K. Aihara, Computational model of obsessive-compulsive disorder: A unified explanation of the treatments, International Journal of Bifurcation and Chaos 14: 263-277, Jan., 2004.

3. S. Kubota and K. Aihara, Analyzing global dynamics of a neural field model, Neural Processing Letters, 21:133-141, 2005.

4. K. Hamaguchi, M. Okada, S. Kubota, and K. Aihara, Stochastic resonance of localized activity driven by common noise, Biological Cybernetics, 92: 438-444, 2005.

5. S. Kubota and T. Kitajima, A model for synaptic development regulated by NMDA receptor subunit expression, Journal of Computational Neuroscience, 24: 1-20, 2008.

6. S. Kubota, K. Hamaguchi, and K. Aihara, Local excitation solutions in one-dimensional neural fields by external input stimuli. Neural Computing and Applications, 18: 591-602, 2009.

7. S. Kubota, J. Rubin, and T. Kitajima, Modulation of LTP/LTD balance in STDP by an activity-dependent feedback mechanism, Neural Networks, 22:527-535, 2009.

8. S. Kubota and T. Kitajima, Possible role of cooperative action of NMDA receptor and GABA function in developmental plasticity, Journal of Computational Neuroscience, 28:347-359, 2010.

9. S. Kubota, J. Rubin, T. Kitajima, and T. Nakamura, A variety of competitive properties arising from STDP incorporating metaplastic regulation. Artificial Life and Robotics, 15: 185-188, 2010.

10. S. Kubota, J. Rubin, NMDA-induced burst firing in a model subthalamic nucleus neuron, Journal of Neurophysiology, 106: 527-537, 2011.

11. M. Hashimoto, K. Kanomata, K. Momiyama, S. Kubota, F. Hirose, Carrier mobility measurement across a single grain boundary in polycrystalline silicon using an organic gate thin-film transistor, Applied Physics Letters, 100: 023504, 2012.

12. F. Hirose, Y. Kinoshita, K. Kanomata, K. Momiyama, S. Kubota, K. Hirahara, Y. Kimura, M. Niwano, IR study of fundamental chemical reactions in atomic layer deposition of HfO2 with tetrakis (ethylmethylamino)hafnium (TEMAH), ozone, and water vapor, Applied Surface Science, 258: 7726-7731, 2012.

13. S. Kubota, Activity-dependent competition regulated by nonlinear interspike interaction in STDP: A model for visual cortical plasticity. Artificial Life and Robotics, 17: 152-157, 2012.

14. M. Degai, K. Kanomata, K. Momiyama, S. Kubota, K. Hirahara, F. Hirose, Non-heating atomic layer deposition of SiO2 using tris(dimethylamino)silane and plasma-excited water vapor, Thin Solid Films, 525: 73-76, 2012.

15. K. Momiyama, K. Kanomata, T. Suzuki, S. Kubota, F. Hirose, Solid-phase growth of β-FeSi2 in thick Fe film on Si(111) substrates, Thin Solid Films, 525: 208-212, 2012.

16. K. Kanomata, K. Momiyama, S. Kubota, T. Suzuki, F. Hirose, Solid phase growth of NiSi in polycrystalline Si on SiO2 with Cl plasma containing NiCl, Applied Surface Science, 268: 141-145, 2013.

17. K. Momiyama, K. Kanomata, S. Kubota, F. Hirose, Fabrication of β-FeSi2 films on Si (111) using solid-phase growth reaction from Fe and FeSi sources, IEICE Transactions on Electronics, E96-C: 690-693, 2013.

18. S. Kubota, K. Kanomata, K. Momiyama, T. Suzuki, F. Hirose, Robust design method of multilayer antireflection coating for organic solar cells, IEICE Transactions on Electronics, E96-C: 604-611, 2013.

19. F. Hirose, K. Kanomata, S. Kubota, B. Ahmmad, K. Hirahara, Room temperature atomic layer deposition of SiO2 on flexible plastic materials, Applied Mechanics and Materials, 490-491: 118-122, 2014.

20. K. Kanomata, P. Pansila, B. Ahmmad, S. Kubota, K. Hirahara, F. Hirose, Infrared study on room-temperature atomic layer deposition of TiO2 using tetrakis(dimethylamino)titanium and remote-plasma-excited water vapor. Applied Surface Science, 308: 328-332, 2014.


21. I. Sakurai, S. Kubota, M. Niwano, A model for ocular dominance plasticity controlled by feedforward and feedback inhibition, IEICE Transactions on Fundamentals of Electronics, Communications, and Computer sciences, E97-A: 1780-1786, 2014.

22. I. Sakurai, S. Kubota, M. Niwano, The onset and closure of critical period plasticity regulated by feedforward inhibition, Neurocomputing, 143: 261-268, 2014.

23. K. Kanomata, H. Ohba, P. P. Pansila, B. Ahmmad, S. Kubota, K. Hirahara, F. Hirose, Infrared study on room-temperature atomic layer deposition of HfO2 using tetrakis(ethylmethylamino)hafnium and remote plasma-excited oxidizing agents, Journal of Vacuum Science and Technology A, 33: 01A113, 2015.

24. S. Kubota, K. Kanomata, T. Suzuki, B. Ahmmad, F. Hirose, Hybrid antireflection structure with moth eye and multi-layer coating for organic photovoltaics, Journal of Coatings Technology and Research, 12: 37-47, 2015.

25. P. P. Pansila, K. Kanomata, B. Ahmmad, S. Kubota, F. Hirose, Room temperature atomic layer deposition of gallium oxide investigated by IR absorption spectroscopy, IEICE Transactions on Electronics, E98-C: 382-389, 2015.

26. P. P. Pansila, K. Kanomata, B. Ahmmad, S. Kubota, F. Hirose, Nitrogen Adsorption of Si(100) surface by plasma excited ammonia, IEICE Transactions on Electronics, E98-C: 395-401, 2015.

27. M. A. Basith, F. A. Khan, B. Ahmmad, S. Kubota, F. Hirose, D. T. Ngo, Q. H. Tran, K. Molhave Tunable exchange bias effect in magnetic Bi0.9Gd0.1Fe0.9Ti0.1O3 nanoparticles at temperatures up to 250 K, Journal of Applied Physics, 118: 023901, 2015

28. P. Pansila, K. Kanomata, M. Miura, B. Ahmmad, S. Kubota, F. Hirose, Growth kinetics for temperature-controlled atomic layer deposition of GaN using trimethylgallium and remote-plasma-excited NH3, Applied Surface Science, 357: 1920-1927, 2015.

29. S. Kubota, K. Kanomata, B. Ahmmad, J. Mizuno, F. Hirose, Optimized design of moth eye antireflection structure for organic photovoltaics, Journal of Coatings Technology and Research, 13: 201-210, 2016.

30. B. Ahmmad, K. Kanomata, K. Koike, S. Kubota, H. Kato, F. Hirose, A. Billah, M. A. Jalil, and M. A. Basith, Large difference between the magnetic properties of Ba and Ti co-doped BiFeO3 bulk materials and their corresponding nanoparticles prepared by ultrasonication, Journal of Physics D: Applied Physics 49: 265003, 2016.

31. S. Kubota, K. Kanomata, B. Ahmmad, J. Mizuno, and F. Hirose, FDTD analysis for light passing through glass substrate and its application to organic photovoltaics with moth eye antireflection coating, Journal of Photopolymer Science and Technology, 29: 209-214, 2016.

32. H. Yamamoto, S. Kubota, Y. Chida, M. Morita, S. Moriya, H. Akima, S. Sato, A. Hirano-Iwata, T. Tanii, and M. Niwano, Size-dependent regulation of synchronized activity in living neuronal networks, Physical Review E 94: 012407, 2016.

33. K. Kanomata, K. Tokoro, T. Imai, P. Pansila, M. Miura, B. Ahmmad, S. Kubota, K. Hirahara, and F. Hirose, Room-temperature atomic layer deposition of ZrO2 using tetrakis(ethylmethylamino)zirconium and plasma-excited humidified argon, Applied Surface Science 387: 497-502, 2016.

34. K. Kikuchi, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota, and F. Hirose, Room temperature atomic layer deposition of TiO2 on gold nanoparticles, Journal of Vacuum Science and Technology A, 35: 01B121, 2017.

35. S. Kubota, Y. Harada, T. Sudo, K. Kanomata, B. Ahmmad, J. Mizuno, and F. Hirose, An integrated antireflection design using nanotexture and high-refractive-index glass for organic photovoltaics, Journal of Coatings Technology and Research, 14: 1209-1224, 2017.

36. T. Imai, Y. Mori, K. Kanomata, M. Miura, B. Ahmmad, S. Kubota, and F. Hirose, Room-temperature plasma enhanced atomic layer deposition of aluminum silicate and its application in dye-sensitized solar cells, Journal of Vacuum Science and Technology A, 36: 01A106, 2018.

37. H. Yamamoto, S. Kubota, F. A. Shimizu, A. Hirano-Iwata and M. Niwano, Effective subnetwork topology for synchronizing interconnected networks of coupled phase oscillators, Frontiers in Computational Neuroscience, 12: 17, 2018.

38. K. Tokoro, S. Saito, K. Kanomata, M. Miura, B. Ahmmad, S. Kubota, and F. Hirose, Room-temperature atomic layer deposition of SnO2 using tetramethyltin and its application to TFT fabrication, IEICE Transactions on Electronics, E101-C: 317-322, 2018.

39. S. Kubota and J. E. Rubin, Numerical optimization of coordinated reset stimulation for desynchronizing neuronal network dynamics, Journal of Computational Neuroscience, 45: 45-58, 2018.

40. H. Yamamoto, S. Moriya, K. Ide, T. Hayakawa, H. Akima, S. Sato, S. Kubota, T. Tanii, M. Niwano, S. Teller, J. Soriano, and A. Hirano-Iwata, Impact of modular organization on dynamical richness in cortical networks, Science Advances, 4: eaau4914, 2018.

41. S. Moriya, H. Yamamoto, H. Akima, A. Hirano-Iwata, S. Kubota, and S. Sato, Mean-field analysis of directed modular networks, Chaos, 29: 013142, 2019.

42. K. Yoshida, K. Tokoro, K. Kanomata, M. Miura, K. Saito, B. Ahmmad, S. Kubota, and F. Hirose, Room temperature atomic layer deposition of niobium oxide using plasma excited humidified argon and its application to anticorrosion to hydrochloric acid, Journal of Vacuum Science and Technology A, 37: 060901, 2019.

43. S. Kubota, K. Kanomata, B. Ahmmad, J. Mizuno, and F. Hirose, FDTD optical simulation for organic solar cells incorporated with antireflection nanostructures, Journal of Advanced Simulation in Science and Engineering, 7: 82-88, 2020.

44. S. Kubota, K. Hiraga, K. Kanomata, B. Ahmmad, J. Mizuno, and F. Hirose, Efficient light trapping structures for organic photovoltaics fabricated by nanoimprint lithography, Journal of Photopolymer Science and Technology, 33: 103-109, 2020.

45. F. Tojo, M. Ishizaki, S. Kubota, M. Kurihara, F. Hirose, and B. Ahmmad, Histidine decorated nanoparticles of CdS for highly efficient H2 production via water splitting, Energies, 13: 3738, 2020.

46. Y. Mori, K. Yoshida, K. Saito, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota, and F. Hirose, Room-temperature atomic layer deposition of aluminum silicate and its application to Na- and K-ion sorption, Journal of the Electrochemical Society, 167: 137502, 2020.

47. S. Moriya, H. Yamamoto, A. Hirano-Iwata, S. Kubota, and S. Sato, Modular networks of spiking neurons for applications in time-series information processing, Nonlinear Theory and Its Applications, IEICE, 11: 590-600, 2020.

48. K. Sogai, K. Saito, K. Yoshida, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota, and F. Hirose, Nanothick TiO2 channel thin film transistors for UV and gas sensing, ECS Journal of Solid State Science and Technology, 10: 065006, 2021.

49. K. Yoshida, K. Saito, K. Sogai, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota, and F. Hirose, Room temperature atomic layer deposition of nano crystalline ZnO and its application for flexible electronics, IEICE Transactions on Electronics, E104-C: 363-369, 2021.

50. R. Hossain, A. Billah, M. Ishizaki, S. Kubota, F. Hirose and B. Ahmmad, Oxygen vacancy mediated room-temperature ferromagnetism and band gap narrowing in DyFe0.5Cr0.5O3 nanoparticles, Dalton Transactions, 50: 9519-9528, 2021.

51. A. Billah, F. Tojo, S. Kubota, F. Hirose, and B. Ahmmad, Organic molecule embedded CdS nanocomposite for hydrogen generation from water: Effect of precursors' concentrations, International Journal of Hydrogen Energy, 46: 35302-35310, 2021.

52. K. Yoshida, I. Nagata, K. Saito, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota, and F. Hirose, Room-temperature atomic layer deposition of iron oxide using plasma excited humidified argon, Journal of Vacuum Science and Technology A, 40: 022408, 2022.

53. T. Saito, K. Yoshida, K. Saito, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota, and F. Hirose, Multiple layers of aluminum silicate and silicon dioxide deposited by room-temperature atomic layer deposition for enhanced cation sorption, Journal of Vaccuum Science and Technology A, 40, 042406, 2022.

54. K. Saito, K. Yoshida, M. Miura, K. Kanomata, B. Ahammad, S. Kubota, and F. Hirose, Low-temperature atomic layer deposition of AlN using trimethyl aluminum and plasma excited Ar diluted ammonia, IEICE Transactions on Electronics, E105-C: 596-603, 2022.

55. K. Saito, K. Yoshida, M. Miura, K. Kanomata, B. Ahammad, S. Kubota, and F. Hirose, Low-temperature deposition of yttrium oxide on flexible PET films using time-separated yttrium precursor and oxidizer injections, IEICE Transactions on Electronics, E105-C: 604-609, 2022.

56. K. Saito, K. Yoshida, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota, and F. Hirose, Moisture barrier coating of AlN and Al2O3 multilayer film prepared by low-temperature atomic layer deposition, Journal of Vaccuum Science and Technology A, 40, 062410, 2022.

57. S. Kubota, B. Ahmmad, and F. Hirose, Optical design of multilayer antireflection coatings for indoor solar cell applications, Applied Optics, 62: 2117-2123, 2023.

58. A. Billah, Y. Matsuno, A. N. Anju, K. Koike, S. Kubota, F. Hirose, and B. Ahmmad, Unusual behavior of magnetic coercive fields with temperature and applied field in La-doped BiFeO3 ceramics, ACS Applied Electronic Materials, 5: 4261-4267, 2023.
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Conference Presentation
1. S. Kubota, Low altitude guidance method for reentry vehicle with vertical landing concept, In Proceedings of the 6th International Space Conference of Pacific-Basin Societies (ISCOPS), vol.91, p.65, Marina Del Rey, California, December, 1995. (AAS 95-562)

2. S. Kubota, K. Sakai, and K. Aihara, A computational model of obsessive-compulsive disorder, In Proceedings of XII World Congress of Psychiatry, p.128, PO-10-3, Yokohama, Aug, 2002.

3. S. Kubota, and K. Aihara, Pattern dynamics in neural fields under general external input condition, In Proceedings of the 2nd International Symposium on Emergent Mechanisms of Communication in the Brain (IEMC '04), p.64, Awaji-shima, Hyogo, March 2004.

4. S. Kubota, K. Hamaguchi, and K. Aihara, A model of delayed matching-to-sample task in prefrontal, inferior temporal and posterior parietal cortices, In Proceedings of Second International Conference on Working Memory (ICWM-2), p. 72, Kyoto, August, 2004.

5. S. Kubota, T. Kitajima, Activity-dependent regulation of spike-timing-dependent plasticity promotes fast and stable neural circuit formation, In Proceedings of International Symposium on Artificial Brain with Emotion and Learning (ISABEL 2006), p.162, Yonsei Univ., Seoul, August, 2006.

6. S. Kubota and T. Kitajima, Biophysical model of spike-timing-dependent plasticity based on temporal factors of intracellular Ca2+, Brain-Inspired IT III. International Congress Series Vol. 1301, 127-131, 2007.

7. S. Kubota and T. Kitajima, Possible roles of developmental change in N-methyl-D-aspartate receptor subunit composition: a modeling study, Program of Neuroscience2006 (October 17, p.86; presentation number 623.14)

8. S. Kubota and T. Kitajima, Modeling study of the synaptic competition induced by NMDA receptor-mediated regulation of spike-timing-dependent plasticity, In Proceedings of the thirteenth International Symposium on Artificial Life and Robotics (AROB 13th 08), p.654-657, B-Con Plaza, Beppu, Oita, 1 February, 2008.

9. Shigeru Kubota and Tatsuo Kitajima, A model for biophysical mechanisms underlying competition among synapses. 19th European Meeting on Cybernetics and Systems Research (EMCSR 2008), University of Vienna, Vienna, 27 March 2008

10. S. Kubota and T. Kitajima, Synaptic cooperation and competition in STDP learning rule. In Koeppen et al. (eds.) Advances in Neuro-Information Processing part I, Springer LNCS 5506, p. 310-317, 2009.

11. S. Kubota and T. Kitajima, How balance between LTP and LTD can be controlled in spike-timing-dependent learning rule, In Proceedings of International Joint Conference on Neural Networks (IJCNN2009), p. 1674-1679, Atlanta, USA, 16 Jun 2009

12. T. Kitajima and S. Kubota, Role of NaP-channel in subthreshold resonance oscillation, Program of Neuroscience 2009 (October 19, p.147; presentation number 486.3) Chicago, October, 2009.

13. S. Kubota, T. Kitajima, S. Kang and T. Nakamura, Activity-dependent synaptic competition by STDP and its role in critical period plasticity, In Proceedings of Neuroinformatics 2010 (published as CD-ROM) p.86, Kobe Convention Center, Kobe, 30 Aug, 2010.

14. S. Kubota, T. Kitajima, S. Kang, and T. Nakamura, Functional cooperativity between NMDA receptor and GABA systems can trigger cortical critical period, In Program of Neuroscience 2010 (13 Nov, p.78; program number 108.7) (abstract is published in electronic format), San Diego, 13 Nov, 2010

15. S. Kubota, Reinforcement learning with the mechanism of short-term depression for learning rate. In Proceedings of the Sixteenth International Symposium on Artificial Life and Robotics 2011 (AROB 16th '11), p.800-803, B-Con Plaza, Beppu, Oita, 29 Jan, 2011.

16. S. Kubota, J. Rubin, A mechanism underlying burst activity in subthalamic neurons emerging through NMDA activation and hyperpolarization. Program of Neuroscience 2011, 423.09, Washington Convention Center, Washington, 14 Nov., 2011.

17. S. Kubota, Correlation-based competition regulated by nonlinear interspike interaction in STDP, In Proceedings of the 17th International Symposium on Artificial Life and Robotics 2012 (AROB 17th'12), p.706-709, B-Con Plaza, Beppu, Oita, 21 Jan, 2012.

18. S. Kubota, F. Hirose, Robust optimization of multilayer antireflection system for organic photovoltaic cells, 山形大学有機エレクトロニクス研究センター 第1回国際シンポジウム, 学術総合センター, 東京, 11 May 2012.

19. S. Kubota, Activity-dependent competition between sensory inputs by spike-timing-dependent plasticity, In Program of Neuroscience 2012, 711.23, (abstract published in electronic format), Ernest N. Morial Converntion Center, New Orleans, 16 Oct, 2012.

20. I. Sakurai, S. Kubota, M. Niwano, Correlated inhibitory firing and spike-timing-dependent plasticity. In Proceedings of 20th International Conference on Neural Information Processing (ICONIP 2013), p.161-167, Daegu, Koria, 4 Nov, 2013.

21. I. Sakurai, S. Kubota, M. Niwano, The role of correlated inhibitory cell firing, In Proceedings of International Conference on Brain and Health Informatics (BHI’13), p.11-20, Maebashi, 29 Oct, 2013.

22. S. Kubota, K. Kanomata, K. Momiyama, T. Suzuki, F. Hirose, An optimization algorithm for designing robust and simple antireflection films for organic photovoltaic cells, In Proceedings of SPIE, Vol. 8830, Organic Photovoltaics XIV, 88301K (9 pages), San Diego, 28 Aug, 2013.

23. S. Kubota, J. E. Rubin, A model for low-frequency bursts in subthalamic nucleus neurons, In Proceedings of International Conference on Artificial Life and Robotics (ICAROB 2014), p.162-165, Oita, 12 Jan, 2014.

24. S. Kubota, I. Sakurai, M. Niwano, A role of activity-dependent competition in regulating the critical period of cortical plasticity, In Proceedings of the 2nd RIEC International Symposium on Brain Functions and Brain Computer, p.4, Tohoku Univ., Sendai, 21 Feb, 2014.

25. S. Kubota, Design of hybrid antireflection structure with nanotexture and multi-layer coat by FDTD simulation, Program of International Workshop on Energy Devices and Nanotechnology, p.18, Yamagata University, Yonezawa, 14 Mar, 2014.

26. Shigeru Kubota, Kensaku Kanomata, Takahiko Suzuki, Fumihiko Hirose, Optimization of hybrid antireflection structure integrating surface texturing and multi-layer interference coating, In Proceedings of SPIE, Vol. 9177, Thin Films for Solar and Energy Technology VI, 91770K (7 pages), San Diego, 18 Aug, 2014.  

27. Bashir Ahmmad, Shogo Hayasaka, Kensaku Kanomata, Shigeru Kubota, Fumihiko Hirose, “Fabrication and characterization of self-aligned ZnO and TiO2 nanostructured films, Proceedings of 3rd International Conference on Informatics, Electronics & Vision (ICIEV), pp. 1 - 5, 23-24 May 2014.  

28. Shigeru Kubota, Jonathan Rubin, Bursting oscillation in subthalamic nucleus induced by hyperdirect pathway, Proceedings of the 3rd RIEC International Symposium on Brain Functions and Brain Computer, S5-1, Tohoku University, Sendai, 19 Feb, 2015.


29. Yudai Chida, Hideaki Yamamoto, Ayumi Hirano-Iwata, Koji Ishihara, Soya Fujimori, Takashi Tanii, Shigeru Kubota, Michio Niwano, Computational modeling of the spontaneous activity in micropatterned neuronal networks, Proceedings of the 3rd RIEC International Symposium on Brain Functions and Brain Computer, P-6, Tohoku University, Sendai, 18 Feb, 2015.

30. S. Kubota, K. Kanomata, B. Ahmmad, J. Mizuno, F. Hirose, Light trapping of organic solar cells by nanotextured surfaces, Proceedings of International Conference on Electronics Packaging and iMAPS All Asia Conference (ICEP-IAAC 2015), p. 428-431, Kyoto, 16 Apr, 2015.

31. B. Ahmmad, K. Kanomata, S. Kubota, F. Hirose, Fabrication of self-aligned 1D or 2D nanostructured ZnO and TiO2 films and their characterization, Proceedings of BIT’s 1st Annual World Congress of Smart Materials 2015, Busan Exhibition and Convention Center, Republic of Korea, p.378, 23-25 March, 2015.

32. B. Ahmmad, M. A. Basith, K. Koike, S. Kubota, F. Hirose, Synthesis of metal doped BiFeO3 nanoparticles and their dielectric and magnetic properties, Advanced Materials Research 1101: 187-191, China, Jan, 2015.

33. K. Kanomata, P. P. Pansila, H. Ohba, B. Ahmmad, S. Kubota, K. Hirahara, F. Hirose, RT atomic layer deposition of Al2O3 by using remote plasma excited water vapor (abstract published in electronic format), Program of 227th ECS Meeting, p.167, Chicago, 27 May, 2015.

34. S. Kubota, K. Kanomata, B. Ahmmad, J. Mizuno, F. Hirose, FDTD analysis for devices with glass substrates and its application to antireflection coating on organic solar cells (abstract published in electronic format), Program of 227th ECS Meeting, p.167, Chicago, 27 May, 2015.

35. Y. Chida, H. Yamamoto, A. Hirano-Iwata, S. Kubota, M. Niwano, Small world-like structure increases synchrony in computational models of cultured neuronal networks, Proceedings of the 4th RIEC International Symposium on Brain Functions and Brain Computer, Tohoku University, Sendai, 23 Feb, 2016.

36. F. A. Shimizu, H. Yamamoto, Y. Chida, A. Hirano-Iwata, S. Kubota, M. Niwano, Effect of network topology on synchronization in modular networks of Kuramoto oscillators, Proceedings of the 4th RIEC International Symposium on Brain Functions and Brain Computer, Tohoku University, Sendai, 23 Feb, 2016.

37. S. Kubota, J. Rubin, Numerical optimization of deep brain stimulation by direct search, Proceedings of the 4th RIEC International Symposium on Brain Functions and Brain Computer, Tohoku University, Sendai, 24 Feb, 2016.

38. B. Ahmmad, K. Kanomata, M. A. Basith, S. Kubota, F. Hirose, Fabrication of 1D or 2D nanostructured TiO2 and ZnO thin films for solar energy devices, Program of 16th Asian Chemical Congress, p.90, Dhaka, 16-19 Mar, 2016.

39. S. Kubota, J. Rubin, A model of deep brain stimulation optimized for desynchronization of network activity, Bernstein Conference (abstract published online), Humboldt University of Berlin, Berlin, 21 Sep, 2016.

40. S. Kubota, Y. Harada, T. Sudo, K. Kanomata, B. Ahmmad, J. Mizuno, and F. Hirose, Performance improvement of organic solar cells by the integrated antireflection system with moth eye surface and high-refractive-index glass, Program of PRiME 2016, p.126 (abstract published online), Hawaii Convention Center, Honolulu, 4 Oct, 2016.

41. F. Hirose, K. Tokoro, K. Kanomata, M. Miura, B. Ahmmad, and S. Kubota, Infrared study of room temperature atomic layer deposition of SnO2 using Sn(CH3)4 and plasma excited humidified argon, Program of PRiME 2016, p.212 (abstract published online), Hawaii Convention Center, Honolulu, 5 Oct, 2016.

42. K. Kanomata, Y. Kato, T. Imai, M. Miura, B. Ahmmad, S. Kubota, and F. Hirose, Effects of SiO2 and TiO2 combination coating on TiO2 nanoparticle electrodes in dye sensitized solar cells, Program of PRiME 2016, p.133 (abstract published online), Hawaii Convention Center, Honolulu, 4 Oct, 2016.

43. S. Kubota, J. Rubin, Regulation of neuronal synchrony by optimal deep brain stimulation, Program of the 5th RIEC International Symposium on Brian Functions and Brain Computer, S2-3, Tohoku University, Sendai, 27 Feb, 2017.

44. S. Moriya, H. Yamamoto, H. Akima, A. Hirano-Iwata, M. Niwano, S. Kubota, S. Sato, Analyzing synchronized bursts in cortical neuronal networks, Program of the 5th RIEC International Symposium on Brain Functions and Brain Computer, P-6, Tohoku University, Sendai, 27 Feb, 2017.

45. H. Yamamoto, T. Tanii, S. Kubota, S. Sato, M. Niwano, A. Hirano-Iwata, Synchronization in neuronal networks with modular geometry, Program of the 5th RIEC International Symposium on Brain Functions and Brain Computer, S4-3, Tohoku University, Sendai, 28 Feb, 2017.

46. S. Moriya, H. Yamamoto, H. Akima, A. Hirano-Iwata, M. Niwano, S. Kubota, S. Sato, Modularity-dependent modulation of synchronized bursting activity in cultured neuronal network models, Proceedings of International Joint Conference on Neural Networks (IJCNN 2017), p. 1163-1168, William A. Egan Civic & Convention Center, Anchorage, 15 May, 2017.

47. S. Kubota, Y. Harada, T. Sudo, K. Kanomata, B. Ahmmad, J. Mizuno, F. Hirose, A novel optical design of organic solar cells integrating high index glass substrate with nanotextured surfaces, Program of International Conference on Hybrid and Organic Photovoltaics (HOPV17), p.16 (abstract published online), Swiss Tech Convention Center, Lausanne, 22 May, 2017.

48. S. Kubota, Y. Harada, T. Sudo, K. Kanomata, B. Ahmmad, J. Mizuno, F. Hirose, Efficiency enhancement of organic solar cells with antireflection nanotexture, Program of International symposium on Energy (Energy 7) (abstract published online), Mercure Manchester Piccadilly Hotel, Manchester, 16 Aug, 2017.

49. S. Moriya, H. Yamamoto, H. Akima, S. Kubota, M. Niwano, A. Hirano-Iwata, S. Sato, Synchronization of spontaneous activity in modular neuronal network models, Proceedings of 6th RIEC International Symposium on Brain Functions and Brain Computer, Tohoku University, Sendai, 1 Feb, 2018.

50. S. Moriya, H. Yamamoto, A. Hirano-Iwata, S. Kubota, and S. Sato, Analysis of dynamical complexity in modular neuronal network models, Proceedings of 7th RIEC International Symposium on Brain Functions and Brain Computer, Tohoku University, Sendai, 22 Feb, 2019.

51. S. Kubota, J. E. Rubin, S. Moriya, H. Yamamoto, S. Sato, and A. Hirano-Iwata, Optimized stimuli for neuronal desynchronization and their application to module networks, Proceedings of 7th RIEC International Symposium on Brain Functions and Brain Computer, Tohoku University, Sendai, 23 Feb, 2019.

52. H. Yamamoto, S. Moriya, K. Ide, T. Hayakawa, H. Akima, S. Sato, S. Kubota, T. Tanii, M. Niwano, S. Teller, J. Soriano, and A. Hirano-Iwata, Dynamical richness in modular cortical networks emerges as trade-off between functional integrability and spatial segregation, Proceedings of 7th RIEC International Symposium on Brain Functions and Brain Computer, Tohoku University, Sendai, 23 Feb, 2019.

53. S. Kubota, Y. Harada, T. Sudo, K. Kanomata, B. Ahmmad, J. Mizuno, F. Hirose, Optical design of organic photovoltaic devices combining nanostructure and high-refractive-index glass, Program of Optics & Photonics International Congress, p.95, Pacifico Yokohama, Yokohama, 25 April, 2019.

54. S. Kubota, Y. Harada, T. Sudo, K. Kanomata, B. Ahmmad, J. Mizuno, and F. Hirose, Light trapping of organic photovoltaics with improved refractive index profile and surface nanostructure, Program of E-MRS 2019 Fall Meeting, p.68, Warsaw University of Technology, Warsaw, 16 Sep, 2019.

55. S. Kubota, K. Hiraga, K. Kanomata, B. Ahmmad, J. Mizuno, and F. Hirose, Development of optimized moth eye structure with UV-nanoimprint process for thin-film organic photovoltaics, Program of E-MRS 2021 Spring Meeting, online, 1 Jun, 2021.

56. S. Kubota, K. Hiraga, K. Kanomata, B. Ahmmad, J. Mizuno, and F. Hirose, Application of nano-optical engineering to trap light in thin-film organic solar cells, the 13th Asia-Pacific Conference on Near-Field Optics (APNFO13), online, 30 July, 2022.

57. S. Kubota, B. Ahmmad, and F. Hirose, Design of broadband and omnidirectional antireflection coatings for indoor solar cells, 4th International Conference on Optics, Photonics, and Lasers (OPL 2023), Sheraton Grand Hiroshima Hotel, Hiroshima, 6 Dec, 2023.
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Book

1. S. Kubota, Biophysical mechanisms underlying the critical period of visual cortical plasticity: A modeling study, p.1-35 (Chapter 1) In: J. M. Harris and J. Scott (eds.) Visual Cortex: Anatomy, Functions and Injuries, 2012, Nova Science Publishers, NY.
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Award
1995  First prize (Masters level competition) at international conference 6th ISCOPS (Marina Del Rey)

2008 Best paper award at international conference EMCSR (University of Vienna)

2012 Best paper award at international conference AROB

2018 Yashima incentive award (Yashima Environment Technology Foundation)

2019 Outstanding presenation award at international conference JSST (Miyazaki)
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