Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11837732 | Carbon sheet, gas diffusion electrode substrate, and fuel cell | Takashi Chida, Toru Sugahara, Michio Wakatabe, Masaru Hashimoto, Tetsuya Sunahara +1 more | 2023-12-05 |
| 10854887 | Carbon sheet, gas diffusion electrode substrate and fuel cell | Yasuaki Tanimura, Takashi Chida, Toru Sugahara, Masamichi Utsunomiya, Toshiya Kamae +1 more | 2020-12-01 |
| 10637069 | Carbon sheet, gas diffusion electrode substrate, wound body, and fuel cell | Toru Sugahara, Takashi Ando | 2020-04-28 |
| 10593956 | Carbon sheet, gas diffusion electrode substrate and fuel cell | Takashi Chida, Masamichi Utsunomiya, Toru Sugahara, Takashi Ando | 2020-03-17 |