Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6757507 | Image formation apparatus using a dry two-component developer for development | Satoshi Mochizuki, Naohito Shimota, Hiroaki Matsuda, Shinichiro Yagi, Tomomi Tamura | 2004-06-29 |
| 6677091 | Electrophotographic photoreceptor and electrophotographic apparatus | — | 2004-01-13 |
| 6653033 | Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same | Hidetoshi Kami, Akihiko Matuyama, Nozomu Tamoto, Eiji Kurimoto | 2003-11-25 |
| 6641964 | Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor | Hiroshi Ikuno, Hidetoshi Kami, Ryohichi Kitajima, Narihito Kojima, Akihiko Matsuyama +8 more | 2003-11-04 |
| 6576388 | Multilayer electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the photoreceptor | Yohta Sakon, Akio Kosuge, Narihito Kojima | 2003-06-10 |
| 6573016 | Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same | Hidetoshi Kami, Akihiko Matuyama, Nozomu Tamoto, Eiji Kurimoto | 2003-06-03 |
| 6562531 | Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor | — | 2003-05-13 |
| 6558863 | Electrophotographic photoreceptor, electrophotographic image forming method and apparatus using the photoreceptor | Takashi Rokutanzono, Tamotsu Aruga, Yoshiaki Kawasaki | 2003-05-06 |
| 6516169 | Electrophotographic image forming apparatus having a gap between photoreceptor and charger, and process cartridge therefor | Yohta Sakon | 2003-02-04 |
| 6326112 | Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptor | Hiroshi Tamura, Hidetoshi Kami, Katsuichi Ohta, Tetsuro Suzuki, Narihito Kojima | 2001-12-04 |
| 6218533 | Method for manufacturing pigment, electrophotographic photoconductor using the pigment and electrophotographic image forming method and apparatus using the photoconductor | — | 2001-04-17 |
| 6132911 | Method for manufacturing pigment, electrophotographic photoconductor using the pigment and electrophotographic image forming method and apparatus using the photoconductor | — | 2000-10-17 |
| 6087055 | Electrophotographic photoconductor | — | 2000-07-11 |
| 5871876 | Electrophotographic photoconductor | Hiroshi Ikuno, Hiroshi Nagame, Tetsuro Suzuki, Hidetoshi Kami, Jun Aoto +2 more | 1999-02-16 |
| 5853935 | Electrophotographic photoconductor | Tetsuro Suzuki, Tomoyuki Shimada | 1998-12-29 |
| 5804343 | Electrophotographic photoconductor | Minoru Umeda | 1998-09-08 |
| 5677094 | Electrophotographic photoconductor | Minoru Umeda | 1997-10-14 |
| 5547790 | Electrophotographic photoconductor containing polymeric charge transporting material in charge generating and transporting layers | Minoru Umeda | 1996-08-20 |