Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664014 | Electrophotographic photosensitive member electrophotographic apparatus using same and device unit using same | Toshihiro Kikuchi, Akio Maruyama, Kazushige Nakamura | 2003-12-16 |
| 6436597 | ELECTROPHOTOGRAPHIC PHOTOSENSITVE MEMBER, PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS WHICH HAVE THE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER | Akio Maruyama, Shoji Amamiya, Hiroki Uematsu | 2002-08-20 |
| 6372397 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Akio Maruyama, Toshihiro Kikuchi, Shoji Amamiya, Hiroki Uematsu | 2002-04-16 |
| 6110628 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hideki Anayama, Akio Maruyama, Shoji Amamiya, Hiroki Uematsu, Hiroyuki Tanaka | 2000-08-29 |
| 5693443 | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus having the same | Kazushige Nakamura, Akio Maruyama, Noriyuki Takagi | 1997-12-02 |
| 5455135 | Electrophotographic photosensitive member with overlayer and electrophotographic apparatus employing same | Akio Maruyama, Kazushige Nakamura, Shoji Amamiya, Shin Nagahara, Haruyuki Tsuji +1 more | 1995-10-03 |