Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417503 | Optical sensor circuit with output changing means | — | 2002-07-09 |
| 5448056 | Photoelectric converting circuit having an amplification factor | — | 1995-09-05 |
| 5338691 | Method of making a photodiode with reduced junction area | Yoshinari Enomoto | 1994-08-16 |
| 5243215 | Semiconductor photodiode device with reduced junction area | Yoshinari Enomoto | 1993-09-07 |
| 5233180 | Light sensor having an integration circuit | Shotaro Yokoyama, Takashi Nishibe | 1993-08-03 |