Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10516174 | Metal sheet for separators of polymer electrolyte fuel cells, and metal sheet for manufacturing the same | Shin Ishikawa, Chikara Kami | 2019-12-24 |
| 10431832 | Stainless-steel foil for separator of polymer electrolyte fuel cell | Shin Ishikawa | 2019-10-01 |
| 10256478 | Stainless steel sheet for separator of polymer electrolyte fuel cell | Shin Ishikawa | 2019-04-09 |