Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694673 | Method of manufacturing radiation image intensifier | Hitoshi Yamada, Hiroshi Kubo, Atsuya Yoshida | 1997-12-09 |
| 5506403 | Radiation image intensifier having a metal convex-14 Spherical radiation window which is thicker around the periphery than at the center | Hitoshi Yamada, Hiroshi Kubo, Atsuya Yoshida | 1996-04-09 |
| 4891493 | Narrow gap arc welding process and apparatus therefor | Toshikazu Shimoyama, Susumu Shono, Osa Matsumoto, Hiromasa Kamei, Takehiko Imada | 1990-01-02 |