Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12203178 | Electrochemical hydrogen pump | Kunihiro Ukai, Norihiko Kawabata, Osamu Sakai, Jin Zhang, Yukimune Kani | 2025-01-21 |
| 12139805 | Hydrogen system | Osamu Sakai, Atsuo Okaichi | 2024-11-12 |
| 11952671 | Electrochemical hydrogen pump | Kunihiro Ukai, Norihiko Kawabata, Osamu Sakai, Jin Zhang, Yukimune Kani | 2024-04-09 |
| 11598013 | Electrochemical hydrogen compressor and method for operating electrochemical hydrogen compressor | Yuuichi Yakumaru, Kunihiro Ukai | 2023-03-07 |
| 11577196 | Electrochemical hydrogen pump | Kunihiro Ukai, TAKAYUKI NAKAUE | 2023-02-14 |
| 11192064 | Electrochemical hydrogen pump and method for operating electrochemical hydrogen pump | Jin Zhang, Atsuo Okaichi | 2021-12-07 |
| 10811712 | Hydrogen supply system for adjusting dew point of a hydrogen-containing gas supplied thereto | Osamu Sakai, Kunihiro Ukai | 2020-10-20 |
| 10756376 | Hydrogen supply system and driving method of hydrogen supply system | Kunihiro Ukai, Osamu Sakai, Yoichiro Tsuji | 2020-08-25 |
| 10661221 | Electrochemical hydrogen compression apparatus | Yasuhiko Itoh, Yusuke Fujita | 2020-05-26 |
| 10625198 | Desulfurization apparatus and desulfurization method | Masashi Morita, Jin Zhang, Yoichiro Tsuji, Susumu Kitagawa, Masakazu Higuchi | 2020-04-21 |
| 10364149 | Hydrogen generation system and fuel cell system | Jin Zhang, Shigenori Onuma, Yoichiro Tsuji, Akinori Yukimasa, Hiromi Kita +1 more | 2019-07-30 |
| 10301179 | Electrochemical hydrogen pump | Osamu Sakai, Kunihiro Ukai, Yukimune Kani, Yuuichi Yakumaru, Takashi Sotoku | 2019-05-28 |
| 10202696 | Electrochemical hydrogen pump | Norihiko Kawabata, Kazuya Usirokawa, Shinji Yoshino | 2019-02-12 |
| 9685670 | Method of operating hydrogen generator and method of operating fuel cell system | Chie Harada, Seiji Fujihara, Tomoyuki Nakajima, Takahiro Kusuyama, Kiyoshi Taguchi | 2017-06-20 |
| 9634344 | Hydrogen purifier, hydrogen generation apparatus, and fuel cell system | Takahiro Kusuyama, Chie Harada, Seiji Fujihara, Tomoyuki Nakajima | 2017-04-25 |
| 9614241 | Hydrogen-purification apparatus and fuel-cell system using same | Tomoyuki Nakajima, Seiji Fujihara, Yukimune Kani | 2017-04-04 |
| 9527055 | Hydrogen generator and fuel cell system | Seiji Fujihara, Tomoyuki Nakajima, Chie Harada, Takahiro Kusuyama | 2016-12-27 |
| 9492777 | Hydrogen generation device, operation method thereof, and fuel cell system | Chie Harada, Seiji Fujihara, Tomoyuki Nakajima, Kunihiro Ukai | 2016-11-15 |
| 9334164 | Hydrogen generator and fuel cell system | Yukimune Kani, Seiji Fujihara, Tomoyuki Nakajima | 2016-05-10 |
| 9252443 | Hydrogen generation apparatus, fuel cell system, and hydrogen generation apparatus operation method | Yukimune Kani, Seiji Fujihara, Tomoyuki Nakajima | 2016-02-02 |
| 9079771 | Hydrogen generation system, fuel cell system, and method for operation of hydrogen generation system | Seiji Fujihara, Yukimune Kani, Kensaku Kinugawa | 2015-07-14 |
| 9005829 | Hydrogen generation apparatus, fuel cell system including the same, and method of operating hydrogen generation apparatus | Akira Maenishi, Seiji Fujihara, Masaki Nobuoka, Youji Kawaguchi, Kiyoshi Taguchi +2 more | 2015-04-14 |
| 8951686 | Fuel processing apparatus, fuel cell system including fuel processing apparatus, and method for operating fuel processing apparatus | Seiji Fujihara, Yukimune Kani, Tomoyuki Nakajima | 2015-02-10 |
| 8709668 | Hydrogen generation device and fuel cell system | Tomoyuki Nakajima, Seiji Fujihara, Yukimune Kani | 2014-04-29 |
| 8652224 | Hydrogen generator, fuel cell system and their operating methods | Yukimune Kani, Seiji Fujihara, Kunihiro Ukai, Akira Maenishi | 2014-02-18 |