Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827146 | Photoelectric conversion element image sensor with combined field effect transistor having compact size | Koichiro Sakamoto, Toshiyuki Tamura, Kazushige Katsuumi | 1989-05-02 |