Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157395 | Crucible for melting rare earth element alloy and rare earth element alloy | Takahiro Hashimoto, Takehisa Minowa | 2007-01-02 |
| 5229193 | Silicon carbide member | JUNJI MADONO, Michio Hayashi | 1993-07-20 |
| 5024423 | Semiconductor diffusion furnace inner tube | Yoshio Tawara, Michio Hayashi, Osamu Yamada | 1991-06-18 |
| 4999228 | Silicon carbide diffusion tube for semi-conductor | Yoshio Tawara, Michio Hayashi | 1991-03-12 |