Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831452 | Image pickup device having a photoconductive optical modulator element | Itsuo Takanashi, Shintaro Nakagaki, Hirohiko Shinonaga, Masato Furuya, Tsutou Asakura | 1989-05-16 |