Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12241181 | Carbon fiber bundle and production method thereof | Ayanobu Horinouchi, Yuuki Okishima | 2025-03-04 |
| 12142768 | Method for producing gas diffusion electrode substrate | Hiroaki OTAKE, Masamichi Utsunomiya | 2024-11-12 |
| 11932971 | Method of producing precursor fiber for carbon fiber and carbon fiber | Ayanobu Horinouchi, Yuuki Okishima | 2024-03-19 |
| 11757103 | Gas diffusion electrode medium and method for producing the same, gas diffusion electrode, membrane electrode assembly, and polymer electrolyte fuel cell | Masamichi Utsunomiya, Satoru Shimoyama | 2023-09-12 |
| 11710831 | Gas diffusion electrode base material and production method therefor, and solid polymer fuel cell | Masamichi Utsunomiya | 2023-07-25 |
| 11621426 | Micro-porous layer and manufacturing method therefor, gas diffusion electrode substrate, and fuel battery | Masamichi Utsunomiya, Kentaro Kajiwara, Yasuaki Tanimura | 2023-04-04 |
| 11302951 | Electrode and redox flow battery | Kentaro Kajiwara, Masamichi Utsunomiya, Yasuaki Tanimura | 2022-04-12 |
| 10950867 | Electrode, redox flow battery, and method for producing electrode | Kentaro Kajiwara, Masamichi Utsunomiya, Yasuaki Tanimura | 2021-03-16 |
| 6689336 | Carbon foam, graphite foam and production processes of these | Koichi Kanno, Hirotaka Tsuruya, Ryuji Fujiura, Takeshi Koshikawa | 2004-02-10 |