Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12203178 | Electrochemical hydrogen pump | Kunihiro Ukai, Norihiko Kawabata, Osamu Sakai, Hidenobu Wakita, Jin Zhang | 2025-01-21 |
| 12095132 | Compression apparatus | Osamu Sakai, TAKASHI KAKUWA, Hiromi Kita, TOMOYA KAMATA, TAKAYUKI NAKAUE | 2024-09-17 |
| 12046781 | Compression apparatus | Osamu Sakai, TAKASHI KAKUWA, Hiromi Kita, TOMOYA KAMATA, TAKAYUKI NAKAUE | 2024-07-23 |
| 11952671 | Electrochemical hydrogen pump | Kunihiro Ukai, Norihiko Kawabata, Osamu Sakai, Hidenobu Wakita, Jin Zhang | 2024-04-09 |
| 11335930 | Fuel cell system and method for operating the same | YUICHI MIKAMI, Takeshi Terayama | 2022-05-17 |
| 10446866 | Proton conductor | TOMOYA KAMATA, Tomohiro Kuroha, Hiroshige Matsumoto | 2019-10-15 |
| 10301179 | Electrochemical hydrogen pump | Osamu Sakai, Kunihiro Ukai, Hidenobu Wakita, Yuuichi Yakumaru, Takashi Sotoku | 2019-05-28 |
| 9614241 | Hydrogen-purification apparatus and fuel-cell system using same | Tomoyuki Nakajima, Hidenobu Wakita, Seiji Fujihara | 2017-04-04 |
| 9334164 | Hydrogen generator and fuel cell system | Hidenobu Wakita, Seiji Fujihara, Tomoyuki Nakajima | 2016-05-10 |
| 9252443 | Hydrogen generation apparatus, fuel cell system, and hydrogen generation apparatus operation method | Hidenobu Wakita, Seiji Fujihara, Tomoyuki Nakajima | 2016-02-02 |
| 9099709 | Fuel cell power generation system, and method for operating fuel cell power generation system | Kunihiro Ukai, Hiroaki Kaneko | 2015-08-04 |
| 9079771 | Hydrogen generation system, fuel cell system, and method for operation of hydrogen generation system | Seiji Fujihara, Hidenobu Wakita, Kensaku Kinugawa | 2015-07-14 |
| 8951686 | Fuel processing apparatus, fuel cell system including fuel processing apparatus, and method for operating fuel processing apparatus | Seiji Fujihara, Tomoyuki Nakajima, Hidenobu Wakita | 2015-02-10 |
| 8951683 | Hydrogen generator, fuel cell system including hydrogen generator, and method for operating hydrogen generator | Kunihiro Ukai, Yuji Mukai | 2015-02-10 |
| 8709668 | Hydrogen generation device and fuel cell system | Tomoyuki Nakajima, Hidenobu Wakita, Seiji Fujihara | 2014-04-29 |
| 8702823 | Hydrogen generation apparatus, fuel cell system and method of shutting down hydrogen generation apparatus | Seiji Fujihara | 2014-04-22 |
| 8652224 | Hydrogen generator, fuel cell system and their operating methods | Hidenobu Wakita, Seiji Fujihara, Kunihiro Ukai, Akira Maenishi | 2014-02-18 |
| 8577503 | Apparatus for treating fuel and method of starting the same | Seiji Fujihara, Hidenobu Wakita, Kunihiro Ukai | 2013-11-05 |
| 8501102 | Hydrogen generator and startup method thereof | Akira Maenishi, Yuji Mukai | 2013-08-06 |
| 8435684 | Hydrogen producing apparatus, method of operating hydrogen producing apparatus and fuel cell power generating system | Hidenobu Wakita, Seiji Fujihara, Kunihiro Ukai | 2013-05-07 |
| 8389166 | Hydrogen generating apparatus and fuel cell system | Hidenobu Wakita, Seiji Fujihara | 2013-03-05 |
| 8313869 | Fuel cell power generating system and fuel cell power generating system operating method | Kunihiro Ukai, Akira Maenishi | 2012-11-20 |
| 8304124 | Hydrogen generator, fuel cell system, and methods for operating them | Kunihiro Ukai, Seiji Fujihara, Hidenobu Wakita | 2012-11-06 |
| 8262756 | Hydrogen generator, method of operating hydrogen generator, and fuel cell system | Kunihiro Ukai, Kiyoshi Taguchi, Hidenobu Wakita, Seiji Fujihara, Yumi Kondo | 2012-09-11 |
| 8202658 | Method for stopping a hydrogen generator by controlling water supply to a reformer | Kunihiro Ukai | 2012-06-19 |