Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11518644 | Timing specifying device, image forming apparatus, motor drive device, and timing-signal output method | — | 2022-12-06 |
| 10879814 | Multilevel power converter | — | 2020-12-29 |
| 10734854 | Rotor and motor | Tohru Yumoto, Taichi Yamamoto, Susumu Miyazaki | 2020-08-04 |
| 10033189 | Operation control apparatus for solar power system | — | 2018-07-24 |
| 9661785 | Power conversion apparatus | Nobuhiro Takahashi | 2017-05-23 |
| 9252600 | Connection apparatus for power converter | Ruben Alexis Inzunza Figueroa, Nobuhiro Takahashi, Eiichi Ikawa, Takeshi Sumiya | 2016-02-02 |
| 8750005 | Power conversion apparatus | Eiichi Ikawa, Tatsuaki Amboh | 2014-06-10 |
| 8531144 | Synchronous-machine starting device | Shinzo Tamai, Akinobu Ando, Yasuhiko Hosokawa | 2013-09-10 |
| 8519656 | Synchronous machine starting device | Shinzo Tamai, Akinobu Ando, Yasuhiko Hosokawa | 2013-08-27 |
| 8362730 | Synchronous machine starting device | Shinzo Tamai, Akinobu Ando, Yasuhiko Hosokawa | 2013-01-29 |
| 8153288 | Fuel cell and fuel cell stack | Narutoshi Sugita, Teruyuki Ohtani, Shuhei Goto | 2012-04-10 |
| 7981554 | Fuel cell system | Masahiko Sato, Yasunori Kotani, Hideaki Kikuchi | 2011-07-19 |
| 7901823 | Fuel cell employing cooling liquid passages for starting at low temperature | Katsumi Hayashi, Hideo Kato, Yasushi Kanai | 2011-03-08 |
| 7704619 | Fuel cell system and method of controlling same | Takahiro Takai | 2010-04-27 |
| 7572538 | Fuel cell | Seiji Sugiura, Narutoshi Sugita | 2009-08-11 |
| 7482079 | Fuel cell system and method of controlling a fuel discharging process based on the fuel cell output voltage | Kenichiro Ueda, Yoshikazu Murakami, Yuji Matsumoto | 2009-01-27 |
| 7393607 | Fuel cell and fuel cell stack | Masahiro Mohri, Hiromichi Yoshida, Daisuke Wachi, Shuhei Goto | 2008-07-01 |
| 7384703 | Fuel cell system | Masahiko Sato, Hideaki Kikuchi | 2008-06-10 |
| 7326485 | Fuel cell with a seal tightly in contact with an electrode for preventing leakage of a reactant gas | Hiromichi Yoshida, Daisuke Wachi, Masahiro Mohri, Narutoshi Sugita, Shuhei Goto | 2008-02-05 |
| 7309539 | Fuel cell stack | Hideo Kato, Katsumi Hayashi, Masahiko Sato, Hideo Okamoto | 2007-12-18 |
| 7226688 | Fuel cell | Noriaki Osao, Yoshinori Wariishi, Takaki Nakagawa, Hiroshi Shinkai, Katsumi Hayashi | 2007-06-05 |
| 7223490 | Fuel cell employing local power generation when starting at low temperature | Katsumi Hayashi, Hideo Kato, Yasushi Kanai | 2007-05-29 |
| 7201990 | Fuel cell stack | Yoshinori Wariishi, Masaharu Suzuki, Hideaki Kikuchi, Narutoshi Sugita, Ichiro Baba +3 more | 2007-04-10 |
| 7090941 | Fuel cell stack and a method of supplying reactant gases to the fuel cell stack | Ichiro Baba, Ken Takahashi, Daisuke Wachi, Hiromichi Yoshida, Takaki Nakagawa +5 more | 2006-08-15 |
| 7049023 | Fuel cell separator having a channel formed using a sealing member | Takayuki Ogawa, Hideaki Kikuchi, Masaharu Suzuki | 2006-05-23 |