Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891493 | Narrow gap arc welding process and apparatus therefor | Shozo Sato, Susumu Shono, Osa Matsumoto, Hiromasa Kamei, Takehiko Imada | 1990-01-02 |
| 4393294 | Electron beam working apparatus for cylindrical members | Michitsune Shima, Seiichi Iida, Shiso Kihara, Masaharu Minami, Genta Takano +1 more | 1983-07-12 |