Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12183960 | Catalyst layer, catalyst layer forming liquid and membrane electrode assembly | Masako Kawamoto | 2024-12-31 |
| 11987656 | Method for producing fluorinated polymer and method for producing fluorinated ion exchange polymer | Susumu Saito, Hiroyuki Watabe | 2024-05-21 |
| 11742507 | Polymer electrolyte membrane, membrane electrode assembly and water electrolyzer | Yasushi Yamaki, Kosuke SUMIKURA, Takuo Nishio, Takumi Okuyama | 2023-08-29 |
| 11575140 | Liquid composition, method for producing it, and method for producing membrane/electrode assembly | Hiroyuki Watabe, Jun Kato, Tatsuya Miyajima | 2023-02-07 |
| 11495816 | Methods for producing liquid composition, polymer electrolyte membrane, catalyst layer, and membrane/electrode assembly | Hirokazu Wakabayashi, Atsuyoshi Takenaka | 2022-11-08 |
| 11394045 | Electrolyte material, liquid composition comprising it and its use | Susumu Saito | 2022-07-19 |
| 10879551 | Electrolyte material, liquid composition and membrane/electrode assembly for polymer electrolyte fuel cell | Susumu Saito, Hiroyuki Watabe | 2020-12-29 |
| 10563021 | Methods for producing liquid composition, coating liquid for catalyst layer and membrane electrode assembly | Hiroyuki Watabe, Toshihiro Tanuma | 2020-02-18 |
| 10283800 | Liquid composition, method for its production, and method for producing membrane/electrode assembly for polymer electrolyte fuel cell | Takumi Okuyama, Shinji Kinoshita | 2019-05-07 |
| 10218023 | Process for producing fluorinated ion exchange resin fluid | Hirokazu Wakabayashi, Takashi Saeki, Tetsuji Shimohira | 2019-02-26 |
| 10035898 | Method for producing liquid composition, method for producing coating liquid for forming catalyst layer, and method for producing membrane electrode assembly | Hiroyuki Watabe, Masahiro Kaseda, Toshihiro Tanuma | 2018-07-31 |
| 9692073 | Electrolyte material, liquid composition and membrane/electrode assembly for polymer electrolyte fuel cell | Susumu Saito, Tetsuji Shimohira, Atsushi Watakabe | 2017-06-27 |
| 9531026 | Process for producing fluorinated ion exchange resin fluid | Hirokazu Wakabayashi, Takashi Saeki, Tetsuji Shimohira | 2016-12-27 |
| 9508463 | Electrolyte material, liquid composition and membrane/electrode assembly for polymer electrolyte fuel cell | Susumu Saito, Tetsuji Shimohira, Atsushi Watakabe | 2016-11-29 |
| 9379403 | Polymer electrolyte membrane and membrane/electrode assembly for polymer electrolyte fuel cell | Junichi Tayanagi, Tetsuji Shimohira | 2016-06-28 |
| 8673517 | Polymer electrolyte membrane composed of a fluorinated proton conductive polymer and a fluorinated reinforcing material | Seigo Kotera, Tetsuji Shimohira, Susumu Saito | 2014-03-18 |
| 8597855 | Electrolyte material, liquid composition and membrane/electrode assembly for polymer electrolyte fuel cell | Susumu Saito, Tetsuji Shimohira, Atsushi Watakabe | 2013-12-03 |
| 8361677 | Membrane/electrode assembly for polymer electrolyte fuel cell | Tetsuji Shimohira, Takashi Saeki, Susumu Saito | 2013-01-29 |
| 8182951 | Fuel cell system | Susumu Saito, Tetsuji Shimohira, Atsushi Watakabe, Junichi Tayanagi | 2012-05-22 |
| 8178257 | Polymer electrolyte membrane and membrane/electrode assembly for polymer electrolyte fuel cell | Tetsuji Shimohira, Takashi Saeki, Susumu Saito | 2012-05-15 |
| 8124295 | Polymer, polymer electrolyte membrane for polymer electrolyte fuel cell, and membrane/electrode assembly | Tetsuji Shimohira, Kazuo Hamazaki, Susumu Saito, Seigo Kotera | 2012-02-28 |
| 8097383 | Electrolyte material for polymer electrolyte fuel cells, electrolyte membrane and membrane/electrode assembly | Isamu Kaneko, Tetsuji Shimohira, Atsushi Watakabe, Seigo Kotera, Koichi Murata +2 more | 2012-01-17 |
| 8017257 | Polymer, polymer electrolyte membrane for polymer electrolyte fuel cell, and membrane/electrode assembly | Tetsuji Shimohira, Kazuo Hamazaki, Susumu Saito, Seigo Kotera | 2011-09-13 |
| 7910236 | Electrolyte material, electrolyte membrane and membrane-electrolyte assembly for polymer electrolyte fuel cells | Atsushi Watakabe | 2011-03-22 |
| 7838170 | Membrane/electrode assembly with multilayered cathode catalyst for polymer electrolyte fuel cells | Shinji Kinoshita, Hiroshi Shimoda, Susumu Saito, Seigo Kotera, Tetsuji Shimohira +1 more | 2010-11-23 |