Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10458384 | Pumped-storage power generation control device and pumped-storage power generation control method | Junji Mori, Toshiaki Suzuki, Toru Kubo, Shoji Iida, Takahisa Kageyama | 2019-10-29 |
| 10291159 | Control system, controller, and control method for wound induction machine | Ryuta Hasegawa, Takahisa Kageyama, Teruyuki Ishizuki, Yuichi Shiozaki, Takashi Fujita +1 more | 2019-05-14 |
| 9912272 | Control device, control method of secondary excitation device, and variable speed pumped-storage generating system | Ryan Triadhitama Bin Marwan Awaloeddin, Kentaro Kinoshita, Hiroyuki Kikuchi | 2018-03-06 |
| 9584054 | Output control device, method and program for wind farm | Yoko Kosaka, Kenichi Tanomura, Katsutoshi Hiromasa, Yoichi Tone, Toshimasa Yamada | 2017-02-28 |
| 9429136 | Control system of variable speed pumped storage hydropower system and method of controlling the same | Yuichi Shiozaki, Teruyuki Ishizuki, Tadahiro Yanagisawa | 2016-08-30 |
| 9374030 | Generator excitation apparatus and power conversion system | Katsuhisa Inagaki, Kentaro Suzuki, Ryuta Hasegawa, Teruyuki Ishizuki | 2016-06-21 |
| 6288921 | Control apparatus for power converter | Hiroshi Uchino, Ryuichi Morikawa, Takeo Kanai, Tadashi Nishikawa | 2001-09-11 |
| 5570260 | Overvoltage protection circuit | Takeo Kanai | 1996-10-29 |