Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5406095 | Light emitting diode array and production method of the light emitting diode | Yoshihisa Koyama, Taku Katayama, Katsuhiko Morita, Masashi Yoshimura, Toshiki Yoshida | 1995-04-11 |
| 5084744 | Field effect transistor with active layer apart from guard-ring | Yoshihiro Hori, Keiichiro Doi, Toshiki Yoshida | 1992-01-28 |