Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306139 | Method for welding hard metal | Yukio Shinozaki, Katsutoshi Naruse, Sadao Ohishibashi, Susumu Yamaya, Akira Fukawa | 1981-12-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306139 | Method for welding hard metal | Yukio Shinozaki, Katsutoshi Naruse, Sadao Ohishibashi, Susumu Yamaya, Akira Fukawa | 1981-12-15 |