Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9618954 | Vehicle charging system and vehicle charging method with first and second charging operations | Tomokazu Masuda, Tatsuo Hidaka, Sumikazu Shamoto, Kiyohito Machida, Kazuhiko Matsuda | 2017-04-11 |
| 9614235 | Fuel cell system and method of controlling the system | — | 2017-04-04 |
| 9502725 | Fuel cell system with connector welding prevention | Shohei Okamoto, Katsuhiro Matsushima | 2016-11-22 |
| 9147893 | Failure diagnostic device for discharge valve | Norimasa Ishikawa | 2015-09-29 |
| 9017885 | Fuel supply system | — | 2015-04-28 |
| 8691453 | Fuel cell system | Yoshiaki Naganuma, Tomoya Ogawa | 2014-04-08 |
| 8587443 | Gas level display controller, gas level display device, and gas level display control method | — | 2013-11-19 |
| 8308347 | High-pressure tank temperature detection system and high-pressure tank system | — | 2012-11-13 |
| 8192880 | Fuel cell system | Masahiro Okuyoshi | 2012-06-05 |
| 8088524 | Fuel battery system | — | 2012-01-03 |
| 7687162 | Purging method of fuel cell system | Yoshihisa Sanagi, Yuji Nagata, Motohiro TAKAHASHI, Takayuki Kaneko, Masahiro Ogawa | 2010-03-30 |