Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362366 | Catalyst layer, membrane electrode assembly for solid polymer fuel cell, and solid polymer fuel cell | — | 2025-07-15 |
| 10563021 | Methods for producing liquid composition, coating liquid for catalyst layer and membrane electrode assembly | Hiroyuki Watabe, Satoru Hommura | 2020-02-18 |
| 10547062 | Polymer electrolyte fuel cell | Shinji Kinoshita | 2020-01-28 |
| 10035898 | Method for producing liquid composition, method for producing coating liquid for forming catalyst layer, and method for producing membrane electrode assembly | Satoru Hommura, Hiroyuki Watabe, Masahiro Kaseda | 2018-07-31 |
| 8999434 | Process for producing membrane/ electrode assembly for polymer electrolyte fuel cells | Hiroshi Shimoda, Hirokazu Wakabayashi, Shinji Kinoshita, Hideki Nakagawa | 2015-04-07 |
| 8535847 | Membrane/electrode assembly for polymer electrolyte fuel cell | — | 2013-09-17 |
| 8475967 | Membrane/electrode assembly for polymer electrolyte fuel cell and process for producing cathode for polymer electrolyte fuel cell | — | 2013-07-02 |
| 8470943 | Solid polymer electrolyte material, liquid composition, solid polymer fuel cell and fluoropolymer | Atsushi Watakabe, Takeshi Eriguchi, Yasuhiro Kunisa | 2013-06-25 |
| 8372474 | Method of making fuel cell components including a catalyst layer and a plurality of ionomer overcoat layers | Bhaskar Sompalli, Chunxin Ji, Susan Yan, Hubert Gasteiger, Hiroshi Shimoda +6 more | 2013-02-12 |
| 8263710 | Solid polymer electrolyte material, liquid composition, solid polymer fuel cell and fluoropolymer | Atsushi Watakabe, Takeshi Eriguchi, Yasuhiro Kunisa | 2012-09-11 |
| 8221919 | Process for forming catalyst layer, and process for producing membrane/electrode assembly for polymer electrolyte fuel cell | Hiroshi Shimoda, Shinji Kinoshita, Seigo Kotera | 2012-07-17 |
| 8202570 | Process for producing membrane/electrode assembly for polymer electrolyte fuel cell and process for producing polymer electrolyte fuel cell | — | 2012-06-19 |
| 8043763 | Solid polymer electrolyte material, liquid composition, solid polymer fuel cell and fluoropolymer | Atsushi Watakabe, Takeshi Eriguchi, Yasuhiro Kunisa | 2011-10-25 |
| 8007953 | Process for producing membrane/electrode assembly for polymer electrolyte fuel cell | — | 2011-08-30 |
| 7220508 | Solid polymer electrolyte material, liquid composition, solid polymer fuel cell and fluoropolymer | Atsushi Watakabe, Takeshi Eriguchi, Yasuhiro Kunisa | 2007-05-22 |
| 7157176 | Membrane-electrode assembly for polymer electrolyte fuel cell, and process for its production | — | 2007-01-02 |
| 6191327 | Method for producing dichloropentafluoropropanes | Shinsuke Morikawa, Keiichi Ohnishi, Hidekazu Okamoto | 2001-02-20 |
| 6166122 | Alumina hydrate coating fluid, recording sheet and recorded product | Toshiya Matsubara | 2000-12-26 |
| 6093483 | Alumina sol and recording sheet | — | 2000-07-25 |
| 5928127 | Alumina sol and recording sheet | — | 1999-07-27 |
| 5670249 | Recording sheet and record | — | 1997-09-23 |
| 5545777 | Process for producing a hydrogen-containing 2,2-difluoropropane | Shinsuke Morikawa, Shunichi Samejima, Masaru Yoshitake, Hidekazu Okamoto, Keiichi Ohnishi | 1996-08-13 |
| 5445868 | Recording sheet and record | Masako Harasawa, Katsutoshi Misuda, Toshiya Matsubara | 1995-08-29 |
| 5434321 | Method for producing dichloropentafluoropropanes | Keiichi Ohnishi, Hidekazu Okamoto, Koichi Yanase, Toru Kawasaki, Ryutaro Takei | 1995-07-18 |
| 5264639 | Process for producing a 2,2-difluoropropane | Shinsuke Morikawa, Shunichi Samejima, Hidekazu Okamoto, Keiichi Ohnishi, Shin Tatematsu +1 more | 1993-11-23 |