Issued Patents All Time
Showing 1–25 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5756250 | Electrophotographic method using a cleaning blade to remove residual toner | Yutaka Hirai, Toshiyuki Komatsu, Katsumi Nakagawa, Teruo Misumi | 1998-05-26 |
| 5753936 | Image forming member for electrophotography | Toshiyuki Komatsu, Yutaka Hirai, Katsumi Nakagawa | 1998-05-19 |
| 5658703 | Electrophotographic photosensitive member and process for production thereof | Yutaka Hirai, Toshiyuki Komatsu, Katsumi Nakagawa, Teruo Misumi | 1997-08-19 |
| 5640663 | Electrophotographic method using a cleaning blade to remove residual toner | Yutaka Hirai, Toshiyuki Komatsu, Katsumi Nakagawa, Teruo Misumi | 1997-06-17 |
| 5585149 | CVD method for forming a photoconductive hydrogenated a-Si layer | Yutaka Hirai, Toshiyuki Komatsu, Katsumi Nakagawa, Teruo Misumi | 1996-12-17 |
| 5582945 | Photoconductive member | Shigeru Shirai, Junichiro Kanbe | 1996-12-10 |
| 5582947 | Glow discharge process for making photoconductive member | Shigeru Shirai, Junichiro Kanbe | 1996-12-10 |
| 5573884 | Image-forming member for electrophotography | Toshiyuki Komatsu, Yutaka Hirai, Katsumi Nakagawa | 1996-11-12 |
| 5561024 | Method of making electrophotographic member | Toshiyuki Komatsu | 1996-10-01 |
| RE35198 | Image forming member for electrophotography | Katsumi Nakagawa, Toshiyuki Komatsu, Yutaka Hirai, Teruo Misumi | 1996-04-02 |
| 5382487 | Electrophotographic image forming member | Toshiyuki Komatsu | 1995-01-17 |
| 5258250 | Photoconductive member | Shigeru Shirai, Junichiro Kanbe | 1993-11-02 |
| 5141836 | Method of forming a photoconductive member with silicon, hydrogen and/or halogen and carbon | Shigeru Shirai, Junichiro Kanbe | 1992-08-25 |
| 4876185 | Aluminum support for a photoconductive member | Yasuyuki Matsumoto, Keiichi Murai, Kyosuke Ogawa | 1989-10-24 |
| 4830946 | CVD process for forming an image forming member for electrophotography | Toshiyuki Komatsu, Yutaka Hirai, Katsumi Nakagawa | 1989-05-16 |
| 4818656 | Image forming member for electrophotography | Yutaka Hirai, Katsumi Nakagawa, Toshiyuki Komatsu | 1989-04-04 |
| 4814248 | Photoconductive member and support for said photoconductive member | Naoko Kamata | 1989-03-21 |
| 4745041 | CVD process for forming semiconducting film having hydrogenated germanium matrix | Toshiyuki Komatsu, Yutaka Hirai, Katsumi Nakagawa | 1988-05-17 |
| 4702981 | Photoconductive member and support for said photoconductive member | Yasuyuki Matsumoto, Keiichi Murai, Kyosuke Ogawa | 1987-10-27 |
| 4670369 | Image-forming member for electrophotography | Katsumi Nakagawa, Toshiyuki Komatsu, Yutaka Hirai, Teruo Misumi | 1987-06-02 |
| 4664998 | Electrophotographic image forming member having hydrogenated amorphous photoconductive layer including carbon | Toshiyuki Komatsu, Yutaka Hirai, Katsumi Nakagawa | 1987-05-12 |
| 4613558 | Hydrogenated amorphous silicon photosensitive method for electrophotography | Katsumi Nakagawa, Toshiyuki Komatsu, Yutaka Hirai, Teruo Misumi | 1986-09-23 |
| 4609601 | Process of imaging an amorphous Si(C) photoconductive member | Shigeru Shirai, Junichiro Kanbe | 1986-09-02 |
| 4565731 | Image-forming member for electrophotography | Toshiyuki Komatsu, Yutaka Hirai, Katsumi Nakagawa | 1986-01-21 |
| 4557987 | Photoconductive member having barrier layer and amorphous silicon charge generation and charge transport layers | Shigeru Shirai, Junichiro Kanbe | 1985-12-10 |