Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11749810 | Gas diffusion layer, membrane electrode assembly, and fuel cell | Umi Yamamoto, Masamichi Utsunomiya, Isamu Shigemoto | 2023-09-05 |
| 11621426 | Micro-porous layer and manufacturing method therefor, gas diffusion electrode substrate, and fuel battery | Masamichi Utsunomiya, Kentaro Kajiwara, Fumitaka Watanabe | 2023-04-04 |