Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061325 | Method of producing high tension steel superior in weldability and low-temperature toughness | Yoshihiro Okamura, Seinosuke Yano, Ryota Yamaba | 1991-10-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061325 | Method of producing high tension steel superior in weldability and low-temperature toughness | Yoshihiro Okamura, Seinosuke Yano, Ryota Yamaba | 1991-10-29 |