Issued Patents All Time
Showing 76–87 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4551405 | Image forming process employing member with a depletion layer | Katsumi Nakagawa, Yutaka Hirai, Teruo Misumi, Tadaji Fukuda | 1985-11-05 |
| 4507375 | Electrophotographic photosensitive member and process for production thereof | Yutaka Hirai, Katsumi Nakagawa, Teruo Misumi, Tadaji Fukuda | 1985-03-26 |
| 4471042 | Image-forming member for electrophotography comprising hydrogenated amorphous matrix of silicon and/or germanium | Yutaka Hirai, Katsumi Nakagawa, Tadaji Fukuda | 1984-09-11 |
| 4464043 | Automatic printing apparatus | Noboru Koumura, Katsumi Nakagawa, Nobuhiro Takekawa, Motoharu Fujii | 1984-08-07 |
| 4461819 | Image-forming member for electrophotography | Katsumi Nakagawa, Yutaka Hirai, Teruo Misumi, Tadaji Fukuda | 1984-07-24 |
| 4459488 | Photoelectric converting apparatus for delivering a compensated signal | Shunichi Uzawa, Seishiro Yoshioka, Masaki Fukaya, Yoshiaki Shirato | 1984-07-10 |
| 4451547 | Electrophotographic .alpha.-Si(H) member and process for production thereof | Yutaka Hirai, Katsumi Nakagawa, Teruo Misumi, Tadaji Fukuda | 1984-05-29 |
| 4405915 | Photoelectric transducing element | Masaki Fukaya, Shunichi Uzawa, Seishiro Yoshioka, Yoshiaki Shirato | 1983-09-20 |
| 4265991 | Electrophotographic photosensitive member and process for production thereof | Yutaka Hirai, Katsumi Nakagawa, Teruo Misumi, Tadaji Fukuda | 1981-05-05 |
| 4259424 | Heat-developable photosensitive material | Ichiro Endo, Hajime Kobayashi, Shigeru Ohno | 1981-03-31 |
| 4255041 | Automatic printing apparatus | Noboru Koumura, Katsumi Nakagawa, Nobuhiro Takekawa, Motoharu Fujii | 1981-03-10 |
| 4240739 | Electrostatic copying apparatus | Noboru Koumura, Katsumi Nakagawa, Nobuhiro Takekawa, Motoharu Fujii | 1980-12-23 |