Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11031604 | Catalyst and electrode catalyst layer, membrane electrode assembly, and fuel cell using the catalyst | Yoshihisa Furuya, Ken Akizuki, Atsushi Ohma | 2021-06-08 |
| 10714762 | Electrode catalyst layer for fuel cell, and fuel cell membrane electrode assembly and fuel cell using the catalyst layer | Shinichi Takahashi | 2020-07-14 |
| 10675611 | Carbon powder for fuel cell and catalyst, electrode catalyst layer, membrane electrode assembly, and fuel cell using the carbon powder for fuel cell | Takehiko Okui, Hiroyuki Tanaka, Kazuki Arihara, Atsushi Ohma, Takahiro Morishita +1 more | 2020-06-09 |
| 10573901 | Catalyst and manufacturing method thereof, and electrode catalyst layer using the catalyst | Atsushi Ohma, Ken Akizuki, Yoshitaka Ono, Koichi Matsutani | 2020-02-25 |
| 10562018 | Electrode catalyst, and membrane electrode assembly and fuel cell using electrode catalyst | Yoshinori Suzue, Kazuki Arihara, Hiroyuki Tanaka, Katsuichiro Hayakawa, Koichi Matsutani +1 more | 2020-02-18 |
| 10535881 | Catalyst and electrode catalyst layer, membrane electrode assembly, and fuel cell using the catalyst | Yoshihisa Furuya, Ken Akizuki, Atsushi Ohma | 2020-01-14 |
| 10367218 | Electrode catalyst layer for fuel cell, method for producing the same, and membrane electrode assembly and fuel cell using the catalyst layer | Hiroshi Iden, Atsushi Ohma, Shinichi Takahashi, Norifumi Horibe | 2019-07-30 |
| 10333166 | Electrode catalyst for fuel cell, method for producing the same, electrode catalyst layer for fuel cell comprising the catalyst, and membrane electrode assembly for fuel cell and fuel cell using the catalyst or the catalyst layer | Shinichi Takahashi | 2019-06-25 |
| 10320020 | Electrode catalyst for fuel cell, electrode catalyst layer for fuel cell, method for producing the same, and membrane electrode assembly and fuel cell using the catalyst layer | Shinichi Takahashi, Norifumi Horibe, Atsushi Ohma | 2019-06-11 |
| 10135074 | Carbon powder for catalyst, catalyst, electrode catalyst layer, membrane electrode assembly, and fuel cell using the carbon powder | Shinichi Takahashi, Atsushi Ohma, Ken Akizuki | 2018-11-20 |
| 9947934 | Catalyst and electrode catalyst layer, membrane electrode assembly, and fuel cell using the catalyst | Ken Akizuki, Atsushi Ohma, Yoshitaka Ono, Shinichi Takahashi | 2018-04-17 |
| 9755243 | Electrode catalyst layer for fuel cells, electrode for fuel cells, membrane electrode assembly for fuel cells, and fuel cell | Atsushi Ohma, Yoshitaka Ono, Hiroshi Iden | 2017-09-05 |
| 7993786 | Fuel cell system | Ryoichi Shimoi | 2011-08-09 |