Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283460 | Optical semiconductor device | — | 1994-02-01 |
| 5252851 | Semiconductor integrated circuit with photo diode | Tsuyoshi Takahashi, Toshiyuki Ohkoda, Tadayoshi Takada | 1993-10-12 |