Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929563 | Method of manufacturing semiconductor device with overvoltage self-protection | Masatoshi Kanaya | 1990-05-29 |
| 4717947 | Semiconductor device turned on and off by light | Hideo Matsuda, Takashi Fujiwara, Yasunori Usui | 1988-01-05 |
| 4695871 | Light-triggered semiconductor device | Hideo Matsuda | 1987-09-22 |