Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12142769 | Oxygen reduction catalyst, fuel cell, air cell, and method for producing oxygen reduction catalyst | Takaaki Nagai | 2024-11-12 |
| 10658676 | Oxygen reduction catalyst | Kunchan Lee, Yoshinori Yamato, Kenichiro Ota | 2020-05-19 |
| 10050282 | Oxygen reduction catalyst and production method therefor | Kenichiro Ota, Shigenori Mitsushima, Makoto Hamazaki | 2018-08-14 |
| 9630169 | Semiconductor material, optical hydrogen generating device using same, and method of producing hydrogen | Kazuhito Hato, Kenichi Tokuhiro, Takahiro Suzuki, Takaiki Nomura, Kenichiro Ota | 2017-04-25 |
| 7919215 | Corrosion resistant metal oxide electrode catalyst for oxygen reduction | Kenichiro Ota, Nobuyuki Kamiya, Shigenori Mitsushima, Liu Yan | 2011-04-05 |
| 7919427 | Catalyst carrier and fuel cell using the same | Ken Ota, Satoshi Iinou, Akinori Sudoh | 2011-04-05 |
| 7749935 | Catalyst carrier and fuel cell using the same | Ken Ota, Satoshi Iinou, Akinori Sudoh | 2010-07-06 |
| 7670712 | Metal oxynitride electrode catalyst | Kenichiro Ota, Nobuyuki Kamiya, Shigenori Mitsushima, Kazunari Doumen, Michikazu Hara | 2010-03-02 |