Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11626600 | Fuel cell system | Manabu Mitani, Ryoichi Yoshitomi, Toshinobu Mito | 2023-04-11 |
| 10998563 | Fuel gas injection device and fuel cell system | Koichi Kato, Tomohiko Hatakeda, Kazuya Mizumoto, Tetsuya Fukuda, Yoichiro Saito | 2021-05-04 |
| 10655787 | Valve mechanism for high pressure tank and valve device for high pressure tank | Koichi Takaku, Koichi Kato | 2020-05-19 |
| 10174774 | In-tank valve | Hideto Hiramoto, Koichi Takaku | 2019-01-08 |
| 9917313 | Apparatus using fuel gas | Koichi Kato, Koichi Takaku, Taneaki Miura, Saneto Asano | 2018-03-13 |
| 9845878 | Sealing structure | Taneaki Miura, Koichi Takaku, Koichi Kato, Saneto Asano | 2017-12-19 |
| 9846441 | Pressure reducing valve | Satoshi Iitaka, Taneaki Miura, Koichi Takaku | 2017-12-19 |
| 9618395 | Temperature detecting circuit | Koichi Takaku, Taneaki Miura, Koichi Kato, Saneto Asano | 2017-04-11 |
| 9435697 | Temperature detecting circuit | Koichi Takaku, Taneaki Miura, Koichi Kato, Saneto Asano | 2016-09-06 |
| 9404622 | Filling port structure for pressure fluid | Koichi Takaku, Taneaki Miura, Koichi Kato, Saneto Asano | 2016-08-02 |
| 9293774 | Fluid supply system and method of controlling fluid supply system | Saneto Asano, Koichi Takaku, Koichi Kato, Taneaki Miura | 2016-03-22 |
| 9243713 | Sealing structure | Taneaki Miura, Koichi Takaku, Koichi Kato, Saneto Asano | 2016-01-26 |
| 8973894 | Solenoid and solenoid valve | Taneaki Miura, Koichi Takaku, Koichi Kato, Hirokazu Kuwabara | 2015-03-10 |
| 8945787 | Fuel-using system comprising electromagnetic force adjusting unit | Saneto Asano, Koichi Takaku, Taneaki Miura, Koichi Kato | 2015-02-03 |
| 8863973 | Sealing structure | Koichi Kato, Koichi Takaku, Taneaki Miura, Hikaru Okada | 2014-10-21 |
| 8820712 | Opening and closing valve for high-pressure gas | Taneaki Miura, Koichi Takaku, Koichi Kato | 2014-09-02 |
| 8783284 | Fluid supply system | Koichi Kato, Koichi Takaku, Saneto Asano, Taneaki Miura | 2014-07-22 |
| 7441560 | Solenoid valve for fuel cell | Kouji Sonoda, Masakazu Murai, Kouetsu Hikichi, Hideki Sasaki, Yoshio Saito +4 more | 2008-10-28 |
| 7275732 | Solenoid-operated valve for fuel cells | Takahide Kato, Kouetsu Hikichi, Hiroto Ohmori, Masakazu Murai, Kuri Kasuya | 2007-10-02 |
| 7040596 | Solenoid valve for fuel cell | Kouji Sonoda, Masakazu Murai, Kouetsu Hikichi, Hideki Sasaki, Yoshio Saito +4 more | 2006-05-09 |
| 6943958 | Zoom lens system and camera using the same | Masahiro Imamura | 2005-09-13 |
| 6778329 | Zoom lens system | — | 2004-08-17 |
| 6778331 | Zoom lens system | — | 2004-08-17 |
| 6690519 | High-magnification zoom lens system | — | 2004-02-10 |
| 6580565 | Zoom lens system | — | 2003-06-17 |