Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877709 | Image forming member for electrophotography | Eiichi Inoue, Isamu Shimizu | 1989-10-31 |
| 4845355 | Photoconductive type sensor and its driving method and apparatus | Katsumi Nakagawa, Soichiro Kawakami, Ihachiro Gofuku, Katsunori Hatanaka, Masaki Fukaya | 1989-07-04 |
| 4830946 | CVD process for forming an image forming member for electrophotography | Yutaka Hirai, Katsumi Nakagawa, Tadaji Fukuda | 1989-05-16 |
| 4827345 | Image readout apparatus | Katsumi Nakagawa, Shinichi Seitoh, Katsunori Hatanaka | 1989-05-02 |
| 4818656 | Image forming member for electrophotography | Tadaji Fukuda, Yutaka Hirai, Katsumi Nakagawa | 1989-04-04 |
| 4814842 | Thin film transistor utilizing hydrogenated polycrystalline silicon | Katsumi Nakagawa, Yutaka Hirai, Satoshi Omata, Yoshiyuki Osada, Takashi Nakagiri | 1989-03-21 |