Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771021 | Semi-conductor diffusion furnace components | Yukifumi Sakai, Hiroshi Tashiro | 1988-09-13 |
| 4710428 | Sintered silicon carbide porous body impregnated with metallic silicon | Kichihei Sato, Takashi Tanaka, Shunkichi Sato | 1987-12-01 |