Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325748 | Method for producing steel plate having excellent resistance to hydrogen induced cracking | Hajime Nashiwa, Muneyoshi Takeyama, Youzi Yamaguchi, Tsuneaki Kobayashi, Tsutomu Nagahata | 1982-04-20 |