Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12355377 | Adjustable speed generator motor system with full power converter | Akira Bando, Takahiko Kikui, Kenta Watanabe, Yasuhiro Kiyofuji, Masakazu Ishikawa +3 more | 2025-07-08 |
| 12289063 | Modular multilevel power converter and variable speed generator-motor | Akira Bando, Takahiko Kikui, Kenta Watanabe, Yasuhiro Kiyofuji, Masakazu Ishikawa +1 more | 2025-04-29 |
| 10756571 | System and method for stabilizing power system | Akira Kikuchi, Masahiro Watanabe | 2020-08-25 |
| 10202906 | Two-shaft gas turbine | Tetsuro Morisaki, Naohiro Kusumi, Noriaki Hino, Kazuo Takahashi | 2019-02-12 |
| 10193383 | Dual-shaft gas turbine power generation system, and control device and control method for gas turbine system | Noriaki Hino, Naohiro Kusumi, Kazuo Takahashi | 2019-01-29 |
| 9680368 | Power converter installed between an electric power system and an energy storage device | Yusuke Abe, Masahiro Taniguchi | 2017-06-13 |
| 9641034 | Rotary machine and drive system therefor | Naohiro Kusumi, Noriaki Hino, Nobuhiro KUSUNO, Aung Kothet | 2017-05-02 |
| 9520757 | Dual-shaft gas turbine power generation system, and control device and control method for gas turbine system | Noriaki Hino, Naohiro Kusumi, Kazuo Takahashi | 2016-12-13 |
| 9484793 | Electrical rotating machine system or wind turbine system | Mamoru Kimura, Nobuhiro KUSUNO, Tetsuo Fujigaki, Daisuke KORI, Motonobu Iizuka +1 more | 2016-11-01 |
| 9219426 | Switching element, power converter, direct current transmission system, current control device, method of controlling power converter, and method of controlling current in voltage source converter | Takayoshi Yamamoto, Masaya Ichinose, Akira Bando, Keiichi Yamashita, Shigenori Inoue +4 more | 2015-12-22 |
| 7667436 | Energy storage type feeder voltage compensation apparatus and method of controlling feeder voltage | Tetsuya Kato, Takashi Ikimi | 2010-02-23 |
| 7643317 | Power converting device and method for controlling the same | Shuji Katoh, Yasuhiro Kiyofuji, Shoichiro Koseki, Motoo Futami | 2010-01-05 |
| 7402982 | Energy storage type feeder voltage compensation apparatus and method of controlling feeder voltage | Tetsuya Kato, Takashi Ikimi | 2008-07-22 |
| 6809561 | Semiconductor power converting apparatus | Shuji Katoh, Shigeta Ueda, Hiromitsu Sakai, Takashi Ikimi | 2004-10-26 |
| 6727516 | Semiconductor power conversion apparatus | Shuji Katoh, Shigeta Ueda, Hiromitsu Sakai, Takashi Ikimi | 2004-04-27 |
| 6717177 | Semiconductor power conversion apparatus | Shuji Katoh, Shigeta Ueda, Hiromitsu Sakai, Takashi Ikimi | 2004-04-06 |
| 6703874 | Gate driver for MOS control semiconductor devices | Shuji Katoh, Shigeta Ueda, Hiromitsu Sakai, Takashi Ikimi | 2004-03-09 |
| 6490182 | Power conversion apparatus | Shuji Katoh, Hiromitsu Sakai, Shigeta Ueda, Hidetoshi Aizawa | 2002-12-03 |