Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7740963 | Liquid fuel type fuel cell system and its operating method | Okuyama Ryoichi, Fujita Yukio | 2010-06-22 |
| 7618729 | Liquid fuel direct supply fuel cell system and its operation controlling method and controller | Okuyama Ryoichi, Ishimaru Fumiya, Takemitsu Takatomo | 2009-11-17 |