Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11614203 | Hydrogen filling system | — | 2023-03-28 |
| 10562245 | Method of manufacturing tank | — | 2020-02-18 |
| 8752596 | Hydrogen filling system and hydrogen filling method | Kumiko Nishizawa, Kosei Yoshida, Keiji Toh, Shintaro Watanabe, Hidefumi Oishi +1 more | 2014-06-17 |
| 8714183 | System for hydrogen charging | Kenji Komiya, Kumiko Nishizawa | 2014-05-06 |
| 8287629 | Hydrogen gas storage device | Katsuyoshi Fujita, Hidehito Kubo, Katsuhiko Hirose, Norihiko Haraikawa | 2012-10-16 |
| 8051977 | Hydrogen storage tank | Katsuyoshi Fujita, Hidehito Kubo, Katsuhiko Hirose, Norihiko Haraikawa | 2011-11-08 |
| 7980344 | Hydrogen station, method of charging hydrogen, and vehicle | Hidehito Kubo, Yoshihiro Isogai | 2011-07-19 |
| 7946446 | Gas storage tank and method of manufacturing the same | Masahiko Kimbara, Takehiro Nito, Hidehito Kubo, Akiko Kumano, Makoto Tsuzuki +1 more | 2011-05-24 |
| 7921662 | Hydrogen tank cooling device and cooling method in hydrogen fuel automobile, and hydrogen fuel automobile | Hidehito Kubo | 2011-04-12 |
| 7875107 | Hydrogen storage tank and its manufacturing method | Keiji Toh, Katsuyoshi Fujita | 2011-01-25 |
| 7536786 | Method for replacing an open-close valve for a hydrogen storage tank | Keiji Toh | 2009-05-26 |
| 7418782 | Method of manufacturing a gas storage tank | Masahiko Kimbara, Takehiro Nito, Hidehito Kubo, Akiko Kumano, Makoto Tsuzuki +1 more | 2008-09-02 |
| 7363949 | Hydrogen station, method of charging hydrogen, and vehicle | Hidehito Kubo, Yoshihiro Isogai | 2008-04-29 |
| 7326281 | Hydrogen storage tank | Katsuyoshi Fujita, Hidehito Kubo, Masahiko Kimbara | 2008-02-05 |
| 7322398 | Pressure tank | Keiji Toh, Hidehito Kubo, Katsuyoshi Fujita, Akiko Kumano, Masahiko Kimbara +1 more | 2008-01-29 |
| 7240549 | Measurement of gas fuel amount | Masahiko Kimbara, Takehiro Nito, Hidehito Kubo, Makoto Tsuzuki | 2007-07-10 |
| 7169214 | High pressure tank | Hidehito Kubo, Makoto Tsuzuki, Keiji Toh, Akiko Kumano, Masahiko Kimbara | 2007-01-30 |
| 7152665 | Pressure tank | Keiji Toh, Hidehito Kubo, Katsuyoshi Fujita, Akiko Kumano, Masahiko Kimbara +1 more | 2006-12-26 |
| 7115159 | Solid filling tank | Katsuyoshi Fujita, Hidehito Kubo, Keiji Toh, Akiko Kumano | 2006-10-03 |
| 7112239 | Gas storage apparatus | Masahiko Kimbara, Takehiro Nito, Hidehito Kubo, Keiji Toh | 2006-09-26 |
| 7040109 | Fuel cell system and method of storing hydrogen | Masahiko Kimbara, Takehiro Nito, Keiji Toh, Hidehito Kubo | 2006-05-09 |