| 2020 | IECON | Torque Ripple Reduction of IPMSM Considering Compensation of Nonlinearities of Magnetic Characteristics. | Hiroyasu Akatsuka, Masaru Hasegawa, Shinji Doki |
| 2019 | IECON | Stator resistance identification for induction motors using DyCE principle based adaptive flux observer. | Naoki Kawamura, Kang-Zhi Liu, Tadanao Zanma, Masaru Hasegawa |
| 2016 | IECON | Current control system using voltage phase reference filter in inverter overmodulation range for IPMSM. | Yosuke Nakayama, Atsushi Matsumoto, Masaru Hasegawa, Shinji Doki |
| 2015 | IECON | Pursuit of simple power conditioner for photovoltaic small power generation. | Keiju Matsui, Eiji Oishi, Yasutaka Kawata, Mikio Yasubayashi, Masayoshi Umeno, Hideo Uchida, Masaru Hasegawa |
| 2015 | IECON | Evaluation of direct position estimation based on α-β axes inductance information for IPMSM sensorless control systems. | Toshiki Suzuki, Shinji Doki, Masaru Hasegawa |
| 2013 | IECON | A novel correction method for current control of PMSM operating within voltage saturation region. | Atsushi Matsumoto, Shinji Doki, Masaru Hasegawa |
| 2013 | IECON | A new design method of full-order extended electromotive force observer for position sensorless control of IPMSM. | Saki Nohara, Mutuwo Tomita, Masaru Hasegawa, Shinji Doki, Shinji Kato |
| 2012 | IECON | A flux-weakening control method on Maximum Torque Control frame for IPMSM position sensorless control. | Atsushi Matsumoto, Masaru Hasegawa, Shinji Doki |
| 2010 | ISCAS | Analysis and improvement of bilateral chopper having current resonant soft-switch. | Keiju Matsui, Susumu Tanaka, Masaru Hasegawa |