Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5938954 | Submerged laser beam irradiation equipment | Tsutomu Onuma, Toshimi Matsumoto, Akira Onuma, Mitsuo Nakamura, Choichi Asano +4 more | 1999-08-17 |
| 5674419 | Method for weld repairing of structures in nuclear reactors | Yasumasa Tamai, Junichiro Morisawa, Toshimi Matsumoto, Keiichi Uraki | 1997-10-07 |