Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10361445 | Microporous layer sheet for fuel cell and method for producing the same | Shigemasa Kuwata, Yozo Okuyama | 2019-07-23 |
| 10147954 | Positive electrode for air cell and manufacturing method thereof | Yoshiko Tsukada, Shigemasa Kuwata, Atsushi Miyazawa | 2018-12-04 |
| 10109877 | Method for producing fuel cell electrode sheet | Norifumi Horibe, Shigemasa Kuwata, Masaya Yamamoto | 2018-10-23 |
| 9793550 | Gas diffusion layer for fuel cell | Yozo Okuyama, Shigemasa Kuwata | 2017-10-17 |
| 9601793 | Electrolyte film—electrode assembly | Shigemasa Kuwata, Yozo Okuyama | 2017-03-21 |
| 9325022 | Gas diffusion layer for fuel cell and method for manufacturing the same | Yozo Okuyama, Shigemasa Kuwata | 2016-04-26 |