Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331378 | Steel sheet and method for producing same | Koutarou Hayashi, Yoshihiro Suwa | 2025-06-17 |
| 10533242 | Steel for cold forging | Kazuto Kawakami, Makoto Okonogi | 2020-01-14 |