Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11621430 | Fuel cell system | Tomotaka Ishikawa, Shinji Asou, Tsuyoshi Maruo | 2023-04-04 |
| 11613186 | Airport and vehicle | Kei Nakamuta, Naoya Washio, Masayuki Suzuki, Hiroki Iida, Toshiaki Kitai | 2023-03-28 |
| 11518275 | Fuel cell vehicle | Takahiko Hasegawa, Takashi Harayama, Ayano ASAI, Koji Terashima, Shigeaki Murata +1 more | 2022-12-06 |
| 11508976 | Fuel cell system | Tomotaka Ishikawa, Tomohiro Ogawa, Ryosuke OYA, Junichi Matsuo | 2022-11-22 |
| 11387472 | Energy management system | Kei Nakamuta, Hideshi MIZUTANI, Keisuke Kikuchi, Nobuyuki Orihashi, Atsushi Nakajima +3 more | 2022-07-12 |
| 11171349 | Fuel cell vehicle and control method of fuel cell vehicle | Tomohiro Ogawa, Tomotaka Ishikawa, Shinji Asou, Junichi Matsuo, Ryosuke OYA | 2021-11-09 |
| 10957924 | Fuel cell system and method for controlling the fuel cell system | Junichi Matsuo, Tomotaka Ishikawa, Tomohiro Ogawa | 2021-03-23 |
| 10868316 | Fuel cell system and method of controlling the same | Tomohiro Ogawa, Tomotaka Ishikawa, Ryoichi Nanba, Kenji Umayahara | 2020-12-15 |
| 10665876 | Fuel cell system | Masashi Toida, Hiroyuki Imanishi, Seiichi Tanaka | 2020-05-26 |
| 10629928 | Fuel cell system and control method of fuel cell system | Hiroyuki Imanishi, Masashi Toida | 2020-04-21 |
| 10601059 | Fuel cell system having improved timing control and vehicle utilizing the same | Tomotaka Ishikawa | 2020-03-24 |
| 10553885 | Power supply system and voltage control method of fuel cell | Mitsuhiro Nada, Hiroyuki Suzuki, Tomohiro Ogawa, Tsuyoshi Maruo | 2020-02-04 |
| 10431834 | Fuel cell system with improved valve control | Tomotaka Ishikawa | 2019-10-01 |
| 10312535 | Fuel cell system including control of rotation speed of a gas pump | Mitsuhiro Nada, Yoshiaki Naganuma, Masashi Toida | 2019-06-04 |
| 10256488 | Fuel cell system and control method of the same | Atsuo Iio, Kohei Oda, Naoki Sugiyama | 2019-04-09 |
| 10186721 | Fuel cell system | Tomotaka Ishikawa | 2019-01-22 |
| 10141591 | Fuel cell system and control method of the same | Naoki Sugiyama, Atsuo Iio, Kohei Oda | 2018-11-27 |
| 10014535 | Vehicle | Tomohiko Kaneko, Yohei Okamoto, Kazuo Yamamoto, Tomohiro Ogawa, Masashi Toida +1 more | 2018-07-03 |
| 9991533 | Fuel cell system | Masashi Toida, Yoshiaki Naganuma, Mitsuhiro Nada | 2018-06-05 |
| 9880567 | Valve control apparatus and valve control method | Hiroyuki Suzuki, Yoshiaki Naganuma, Mitsuhiro Nada | 2018-01-30 |
| 9799901 | Control method of flow regulating valve of oxidizing gas and flow regulation device | Mitsuhiro Nada, Hiroyuki Suzuki | 2017-10-24 |
| 9768631 | Power supply system and voltage control method for fuel cell | Mitsuhiro Nada, Hiroyuki Suzuki | 2017-09-19 |
| 9343759 | Fuel cell system and starting method thereof | Yoshiaki Naganuma | 2016-05-17 |
| 9070914 | Method of controlling water content of fuel cell and fuel cell system | Tomotaka Ishikawa | 2015-06-30 |