Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863823 | Electrophotographic member with the surface layer having a fluorine type resin powder and a fluorine type block polymer | Masaaki Hiro, Tomohiro Kimura, Yoichi Kawamorita, Masaru Nakagawa | 1989-09-05 |
| 4855202 | Electrophotographic photosensitive member | Tomohiro Kimura | 1989-08-08 |
| 4851314 | Electrophotographic photosensitive member with combined polycarbonate resins | — | 1989-07-25 |
| 4818654 | Electrophotographic photosensitive member with combination of polymethyl methacrylate resins | Masaaki Hiro | 1989-04-04 |