Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11791483 | Method for starting a fuel cell device under frost starting conditions and a fuel cell device and motor vehicle | Leonard LIPHARDT, Sebastian DISSON, Francisco Javier Valbuena Encinas | 2023-10-17 |
| 10071649 | Method for controlling external electric power supply system of fuel cell-mounted vehicle, and external electric power supply system | Yasuo Matsubara, Kenji Umayahara | 2018-09-11 |
| 9987904 | Fuel cell vehicle air-conditioning apparatus and control method thereof | Takashi Koyama, Yuichi Sakajo | 2018-06-05 |
| 9908381 | Vehicle control apparatus and vehicle control method | Yuichi Sakajo, Yoshiaki Naganuma, Masanori Uehara, Takashi Koyama | 2018-03-06 |
| 9660283 | Current measurement device | Yuji Ishikawa, Ikuyasu Kato, Takashi Yamamoto, Takashi Yamada | 2017-05-23 |
| 9531022 | Fuel cell system and control method thereof | Shuya Kawahara, Masashi Toida, Ryota Akaboshi | 2016-12-27 |
| 9531023 | Exhaust state control device for fuel cell for mobile unit | Hiromi Tanaka, Takahide Izutani | 2016-12-27 |
| 9444112 | Fuel cell monitoring device | Yuji Ishikawa, Ikuyasu Kato, Takashi Yamada, Yuichi Sakajo | 2016-09-13 |
| 9425473 | Fuel cell system and method of operating fuel cell system | Yoshiaki Naganuma, Tomotaka Ishikawa, Hiroyuki Katsuda | 2016-08-23 |
| 9160014 | Fuel cell system capable of performing gas purge to adjust amount of water therein | Hideshi Izuhara, Yuichi Sakajo, Tooru Tanaka | 2015-10-13 |
| 9105889 | Method and apparatus for determining humidity states of individual cells in a fuel cell, method and apparatus for controlling humidity states of individual cells in a fuel cell, and a fuel cell system | Tomotaka Ishikawa, Yoshiaki Naganuma, Hiroyuki Katsuda | 2015-08-11 |
| 9099705 | Fuel cell system, and control method for fuel cell system | Tomotaka Ishikawa, Hironori Noto, Koichiro Yamashita | 2015-08-04 |
| 9077003 | Fuel cell system | — | 2015-07-07 |
| 9028570 | Odorant addition device and fuel gas supply system | Makoto Ueno, Tatsuaki Yokoyama, Hiroshi Fujitani, Atsushi Matsuba, Shuji Hirakata | 2015-05-12 |
| 8916307 | Fuel cell system | — | 2014-12-23 |
| 8871392 | Fuel cell system | Nobuo Watanabe, Tatsuaki Yokoyama, Katsuhiko Hirose, Atsushi Matsuba | 2014-10-28 |
| 8790834 | Fuel cell system and method for controlling the fuel cell system | — | 2014-07-29 |
| 8746274 | Hydrogen supply apparatus and fuel gas supply apparatus | Takahide Izutani, Tatsuaki Yokoyama, Syuuji Hirakata, Osamu Yumita, Hiroshi Fujitani +6 more | 2014-06-10 |
| 8728672 | Fuel cell system | Tomotaka Ishikawa, Nobuo Watanabe | 2014-05-20 |
| 8652699 | Fuel cell system | Tomotaka Ishikawa, Yuichi Sakajo | 2014-02-18 |
| 8637201 | Cooling system | Yuichi Sakajo, Masanori Uehara, Takashi Koyama | 2014-01-28 |
| 8563191 | Fuel cell system and gas leakage detection device | Koji Katano, Nobuhiro Tomosada | 2013-10-22 |
| 8486577 | Fuel cell system | Tatsuaki Yokoyama, Koji Katano, Nobuhiro Tomosada | 2013-07-16 |
| 8232019 | Fuel cell system | Tatsuaki Yokoyama, Shuji Hirakata, Takahide Izutani, Atsushi Matsuba, Katsuhiko Oshikawa | 2012-07-31 |
| 7851097 | Fuel cell system | Tatsuaki Yokoyama, Shuji Hirakata, Takahide Izutani, Atsushi Matsuba, Katsuhiko Oshikawa | 2010-12-14 |