Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11380907 | Substrate stainless steel sheet for fuel cell separators and production method therefor | Shin Ishikawa | 2022-07-05 |
| 11230756 | Ferritic stainless steel | Kunio Fukuda, Shin Ishikawa, Katsuhisa Yamauchi, Reiko Sugihara, Hideya Matsumoto | 2022-01-25 |