Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10425027 | Variable-speed operation control apparatus and hydroelectric power generation system | Junji Mori, Masahiko Nakazono, Oki Osada, Takeyoshi Asano | 2019-09-24 |
| 10291159 | Control system, controller, and control method for wound induction machine | Ryuta Hasegawa, Takahisa Kageyama, Kiyoshi Kusunoki, Teruyuki Ishizuki, Takashi Fujita +1 more | 2019-05-14 |
| 9429136 | Control system of variable speed pumped storage hydropower system and method of controlling the same | Kiyoshi Kusunoki, Teruyuki Ishizuki, Tadahiro Yanagisawa | 2016-08-30 |
| 8274246 | Inverter control device and AC motor control device using this inverter control device | Katsumi Maekawa, Kazuya Yasui, Kentaro Suzuki | 2012-09-25 |