Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344801 | Heavy thick high-strength casting having improved weldability and impact properties | Tatsuro Kunitake, Seiichi Watanabe, Toshiji Takigawa, Yoshiro Matsumoto | 1982-08-17 |