Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689091 | Process for producing zirconium-based alloy | Toshimi Yoshida, Hideo Maki, Hajime Umehara, Tetsuo Yasuda, Isao Masaoka +3 more | 1987-08-25 |
| 4678521 | Process for producing zirconium-based alloy and the product thereof | Toshimi Yoshida, Hideo Maki, Hajime Umehara, Tetsuo Yasuda, Isao Masaoka +3 more | 1987-07-07 |