Researcher Information - ISHIKAWA Yasuaki |

（Last updated : 2026-04-16 19:27:11）

ISHIKAWA Yasuaki

Department / Course

Aoyama Gakuin University College of Science and Engineering Department of Electrical Engineering and Electronics

Job Professor

Specialization and related fields
Measurement engineering, Electric and electronic materials, Nano/micro-systems

Academic background
1.	Faculty of Engineering Doshisha University Graduated
2.	Master Nara Institute of Science and Technology Finished
3.	Doctorial Nara Institute of Science and Technology Finished
4.	Nara Institute of Science and Technology

Business career
1.	2003/04 ～ 2005/01	Post-doctor University Stuttgart, Institute of Physical Electronics (DEU)
2.	2005/02 ～ 2006/09	Research associate The University of Toledo, Department of Physics and Astronomy (USA)
3.	2006/10 ～ 2010/03	Sharp corporation Solar system business
4.	2010/04 ～ 2018/03	Associate Professor Nara Institute of Science and Technology Graduate School of Materials Science
5.	2018/04 ～ 2020/03	Associate Professor Nara Institute of Science and Technology Science and Technology,Division of Materials Science
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Belonging society
1.		Japanese Society of Applied Physics
2.		Japan Solar Energy Society
3.		IEEE Electron Device Society

Official position and committee in Univ.
1.	2023/04/01 ～ 2025/03/31	Aoyama Gakuin University Curriculum Coordinator
2.	2025/04/01 ～ 2027/03/31	Aoyama Gakuin University Chair

Activity in society
1.	2024/11	Fundamental of tandem solar cells

Book and thesis
1.	Books	Intelligent Nanosystems for Energy, Information and Biological Technologies,pp.119-143 (Co-authored) 2016/06
2.	Papers	Reduction of light reflection loss at the surface in encapsulant-free crystalline silicon solar cell modules using submicron-sized pyramid structures Jpn. J. Appl. Phys.,pp.122003-1-7 (Co-authored) 2025/12
3.	Papers	Laser-based repair of pinhole-induced degradation in perovskite solar cells Jpn. J. Appl. Phys. 64,pp.116502-1-11 (Co-authored) 2025/11
4.	Papers	Suppressing phase segregation in Bromide-containing perovskite films via compositional engineering for indoor applications Nanotechnology 36,pp.475201-1-8 (Co-authored) 2025/11
5.	Papers	Degradation process of perovskite solar cells due to pinholes being transformed into current leakage paths Jpn. J. Appl. Phys. 64,pp.076502-1-12 (Co-authored) 2025/07
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Lecturer and lecture
1.	2025/11/05	Development of electroluminescence evaluation method as a next coming technology
2.	2024/07/22	Perovskite-based photovoltaics toward indoor and outdoor applications
3.	2019/01/26	Detect of failures on Si photovoltaic modules
4.	2017/11	The long-term life expectancy of 30 years of silicon PV module analyzed by laser technique
5.	2016/11	Printed oxide semiconductor thin-film transistors
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Academic conference presentation
1.	2026/03/05	Heel-Strike Pre-Contact Detection Algorithm Using a Distance Sensor in an Insole-Type Device with Controllable Ankle Joint Angle (2026 SICE International Symposium on Control Systems (ISCS))
2.	2026/01/13	Speech Separation via Harmonic Suppression in Multi-Speaker Conversations to Assist Individuals with Hearing Loss (2026 IEEE/SICE International Symposium on System Integration (SII))
3.	2025/11/24	Design and Optimization of Electron Transport Layer in Indoor Perovskite Solar Cells via Two-Dimensional Device Simulations (The 14th Aseanian Conference on Nano Hybrid Solar Cells)
4.	2025/11/24	Effect of Annealing Temperature on the Properties of NiOx Prepared by Resistive Thermal Evapoation in Inverted Perovskite Solar Cells (The 14th Aseanian Conference on Nano Hybrid Solar Cells)
5.	2025/11/24	Electrical and Optical Imaging Methods for Characterization of Perovskite Solar Cells (The 14th Aseanian Conference on Nano Hybrid Solar Cells)
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