Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890124 | Printing apparatus utilizing an electric field applied between a charge storage layer on a transfer drum and a photoconductive layer member | Itsuo Takanashi, Shintaro Nakagaki, Tsutou Asakura, Masato Furuya | 1989-12-26 |
| 4831452 | Image pickup device having a photoconductive optical modulator element | Itsuo Takanashi, Shintaro Nakagaki, Makoto Iwahara, Masato Furuya, Tsutou Asakura | 1989-05-16 |