Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9028570 | Odorant addition device and fuel gas supply system | Keigo Suematsu, Makoto Ueno, Tatsuaki Yokoyama, Hiroshi Fujitani, Atsushi Matsuba | 2015-05-12 |
| 8627841 | Storage tank system and method of decompressing the storage tank system | — | 2014-01-14 |
| 8281822 | In-vehicle hydrogen storage apparatus | — | 2012-10-09 |
| 8236073 | Hydrogen supplying apparatus and method for controlling hydrogen supplying apparatus | — | 2012-08-07 |
| 8232019 | Fuel cell system | Keigo Suematsu, Tatsuaki Yokoyama, Takahide Izutani, Atsushi Matsuba, Katsuhiko Oshikawa | 2012-07-31 |
| 8153314 | Alert method relating to remaining fuel amount of fuel cell system and fuel cell system using the same | Kenji Umayahara | 2012-04-10 |
| 7923161 | Fuel cell system | — | 2011-04-12 |
| 7851097 | Fuel cell system | Keigo Suematsu, Tatsuaki Yokoyama, Takahide Izutani, Atsushi Matsuba, Katsuhiko Oshikawa | 2010-12-14 |
| 7794888 | Fuel cell system | Tatsuaki Yokoyama, Osamu Yumita, Masaaki Matsusue, Takahide Izutani, Keigo Suematsu +1 more | 2010-09-14 |
| 7438146 | Moving object mounting fuel cell | Kenji Umayahara | 2008-10-21 |