Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11423728 | Banknote inspection device, banknote inspection method, and banknote inspection program product | Kazuhisa YOSHIMURA | 2022-08-23 |
| 7749667 | Image forming method, and electrophotographic apparatus making use of the image forming method | Masataka Kawahara, Hiroki Uematsu, Harunobu Ogaki, Atsushi Ochi, Akira Shimada +4 more | 2010-07-06 |
| 7718331 | Electrophotographic photosensitive member with depressed portions, process cartridge holding the electrophotographic photosensitive member and electrophotographic apparatus with the electrophotographic photosensitive member | Hiroki Uematsu, Harunobu Ogaki, Masataka Kawahara, Atsushi Ochi, Akira Shimada +4 more | 2010-05-18 |
| 7622238 | Process for producing electrophotographic photosensitive member | Hiroki Uematsu, Akira Shimada, Masataka Kawahara, Harunobu Ogaki, Atsushi Ochi +4 more | 2009-11-24 |
| 7563553 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Toshihiro Kikuchi, Hiroki Uematsu | 2009-07-21 |
| 7556901 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Takashi Anezaki, Harunobu Ogaki, Hiroki Uematsu, Masataka Kawahara, Atsushi Ochi +6 more | 2009-07-07 |
| 7551878 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Harunobu Ogaki, Hiroki Uematsu, Masataka Kawahara, Atsushi Ochi, Kyoichi Teramoto +4 more | 2009-06-23 |
| 7534534 | Electrophotographic Photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Koichi Nakata, Akira Shimada, Tatsuya Ikezue, Takahiro Mitsui, Hiroki Uematsu +2 more | 2009-05-19 |
| 7226711 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Shoji Amamiya, Koichi Nakata, Tatsuya Ikezue, Takahiro Mitsui, Akira Shimada +2 more | 2007-06-05 |
| 7186489 | Electrophotographic photosensitive member, electrophotographic photosensitive member manufacturing process, process cartridge, and electrophotographic apparatus | Hiroki Uematsu, Tatsuya Ikezue, Akira Shimada, Takahiro Mitsui, Koichi Nakata +2 more | 2007-03-06 |
| 6664014 | Electrophotographic photosensitive member electrophotographic apparatus using same and device unit using same | Toshihiro Kikuchi, Kazushige Nakamura, Michiyo Sekiya | 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 | Shoji Amamiya, Michiyo Sekiya, Hiroki Uematsu | 2002-08-20 |
| 6416915 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Toshihiro Kikuchi, Hiroki Uematsu | 2002-07-09 |
| 6372397 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Toshihiro Kikuchi, Shoji Amamiya, Michiyo Sekiya, Hiroki Uematsu | 2002-04-16 |
| 6289190 | Electrophotographic apparatus and process cartridge | Shoji Amamiya, Yukio Nagase, Toshihiro Kikuchi, Koichi Suzuki, Harumi Ishiyama | 2001-09-11 |
| 6180303 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and process for producing the same photosensitive member | Hiroki Uematsu, Toshihiro Kikuchi | 2001-01-30 |
| 6110628 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Michiyo Sekiya, Hideki Anayama, Shoji Amamiya, Hiroki Uematsu, Hiroyuki Tanaka | 2000-08-29 |
| 6016414 | Electrophotographic photosensitive member, electrophotographic apparatus and process cartridge | Hideki Anayama, Kazushige Nakamura | 2000-01-18 |
| 5923925 | Electrophotographic apparatus | Kazushige Nakamura, Noboru Kashimura, Shoji Amamiya | 1999-07-13 |
| 5890037 | Electrophotographic apparatus using photoconductive member chargeable with magnetic brush | Tsutomu Kukimoto, Shuichi Aita, Yoshifumi Hano | 1999-03-30 |
| 5838410 | Optical modulation element | Ryoji Fujiwara, Shuzo Kaneko, Tomoko Maruyama, Tomoko Murakami | 1998-11-17 |
| 5729801 | Electrophotographic apparatus and process cartridge | Noboru Kashimura, Toshihiro Kikuchi, Kazushige Nakamura, Shoji Amamiya, Hiroyuki Tanaka | 1998-03-17 |
| 5708932 | Charging system and electrophotography apparatus | Hideyuki Yano, Yomishi Toshida, Noboru Kashimura, Kazushige Nakamura, Shoji Amamiya +2 more | 1998-01-13 |
| 5701571 | Electrophotographic apparatus, process cartridge, and image forming method featuring a photosensitive member having a conductive surface layer and a cleaning means having conductive properties | Syoji Amamiya, Yuichi Hashimoto | 1997-12-23 |
| 5693443 | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus having the same | Kazushige Nakamura, Noriyuki Takagi, Michiyo Sekiya | 1997-12-02 |