Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5540345 | Process of producing diffraction grating | Hiroshi Sugimoto, Teruhito Matsui, Ken-ichi Ohtsuka, Yuji Abe | 1996-07-30 |
| 5300190 | Process of producing diffraction grating | Hiroshi Sugimoto, Teruhito Matsui, Ken-ichi Ohtsuka, Yuji Abe | 1994-04-05 |
| 5036372 | Heterojunction avalanche transistor | Yuji Abe, Hiroshi Sugimoto, Ken-ichi Ohisuka, Teruhito Matsui | 1991-07-30 |