Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9956885 | Fuel cell system, fuel cell vehicle, and control method for fuel cell system | Hiroyuki Imanishi, Kazuo Yamamoto | 2018-05-01 |
| 9941530 | Fuel cell system including water content estimation | Tomohiro Ogawa, Tsuyoshi Maruo, Yoshiaki Naganuma | 2018-04-10 |
| 9941532 | Fuel cell system and control method of fuel cell system | Yoshiaki Naganuma, Tomohiro Ogawa, Tsuyoshi Maruo | 2018-04-10 |
| 9899690 | Method of discharging water from fuel cell and fuel cell system | Yoshiaki Naganuma, Tomohiro Ogawa, Tsuyoshi Maruo | 2018-02-20 |
| 9893371 | Fuel cell system | Takashi Yamada | 2018-02-13 |
| 9825317 | Fuel cell system and control method of the same | Tsuyoshi Maruo, Yoshiaki Naganuma, Tomohiro Ogawa | 2017-11-21 |
| 9819035 | Fuel cell system | Tsuyoshi Maruo, Yoshiaki Naganuma, Tomohiro Ogawa | 2017-11-14 |
| 9590259 | Fuel cell system with high-potential avoidance control | — | 2017-03-07 |
| 9531022 | Fuel cell system and control method thereof | Shuya Kawahara, Keigo Suematsu, Ryota Akaboshi | 2016-12-27 |
| 9490494 | Fuel cell system | Yuji Kakeno, Hideaki Mizuno, Kenji Umayahara, Yoshiaki Naganuma | 2016-11-08 |
| 8916303 | Fuel cell system | Masahiro Okuyoshi, Masaaki Matsusue | 2014-12-23 |
| 8691458 | Fuel cell system | Masahiro Okuyoshi, Masaaki Matsusue | 2014-04-08 |
| 8524403 | Water content estimation apparatus for fuel cell and fuel cell system | Masahiro Okuyoshi, Masaaki Matsusue | 2013-09-03 |
| 8293421 | Fuel cell system | Masahiro Okuyoshi, Masaaki Matsusue | 2012-10-23 |
| 8252474 | Fuel cell system | Masahiro Okuyoshi, Masaaki Matsusue | 2012-08-28 |