Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7361438 | Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same | Tetsuro Suzuki, Hiroshi Tamura, Kazukiyo Nagai, Hongguo Li | 2008-04-22 |
| 7295788 | Image forming apparatus and process cartridge | Hiroshi Nakai, Yasuo Suzuki, Nozomu Tamoto, Takahiko Tokumasu, Kazahiko Watanabe +3 more | 2007-11-13 |
| 7279260 | Electrophotographic photoconductor having a crosslinked resin layer and method of preparing an electrophotographic photoconductor | Kazukiyo Nagai, Chiaki Tanaka, Tetsuro Suzuki, Hongguo Li | 2007-10-09 |
| 7189487 | Electrophotographic photoreceptor, and electrophotographic apparatus, process cartridge and method using the photoreceptor | Takeo Tsukamoto | 2007-03-13 |
| 7179573 | Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same | Tetsuro Suzuki, Hiroshi Tamura, Kazukiyo Nagai, Hongguo Li | 2007-02-20 |
| 7175957 | Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same | Tetsuro Suzuki, Hiroshi Tamura, Kazukiyo Nagai, Hongguo Li | 2007-02-13 |
| 6998209 | Electrophotographic photoreceptor, and electrophotographic apparatus, process cartridge and method using the photoreceptor | Takeo Tsukamoto | 2006-02-14 |
| 6844124 | Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor | Hidetoshi Kami, Ryohichi Kitajima, Narihito Kojima, Akihiko Matsuyama, Hiroshi Nagame +8 more | 2005-01-18 |
| 6686114 | Electrophotographic image forming method and apparatus | Yohta Sakon, Hiroshi Nagame, Narihito Kojima | 2004-02-03 |
| 6641964 | Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor | Hidetoshi Kami, Ryohichi Kitajima, Narihito Kojima, Akihiko Matsuyama, Hiroshi Nagame +8 more | 2003-11-04 |
| 6489073 | Method and device for developing electrostatic latent images | Akihiro Kotsugai, Kimitoshi Yamaguchi | 2002-12-03 |
| 6432596 | Electrophotographic photoreceptor and image forming method and apparatus using the photoreceptor | Narihito Kojima, Eiji Kurimoto | 2002-08-13 |
| 6366751 | Image forming apparatus including preselected range between charge injection layer and voltage potential | Masahiko Shakuto, Tsukuru Kai, Hidetoshi Yano, Takahiko Tokumasu, Kei Yasutomi +3 more | 2002-04-02 |
| 6151468 | Electrophotographic photoconductor | Hidetoshi Kami, Tetsuro Suzuki, Narihito Kojima, Hiroshi Nagame, Hiroshi Tamura +1 more | 2000-11-21 |
| 6030733 | Electrophotographic photoconductor with water vapor permeability | Hidetoshi Kami, Tetsuro Suzuki, Narihito Kojima, Hiroshi Nagame, Hiroshi Tamura +1 more | 2000-02-29 |
| 5871876 | Electrophotographic photoconductor | Hiroshi Nagame, Tetsuro Suzuki, Hidetoshi Kami, Jun Aoto, Hiroshi Tamura +2 more | 1999-02-16 |
| 5870657 | Charging apparatus for photoconductor with ozone adsorption features | Hiroshi Nagame, Narihito Kojima | 1999-02-09 |
| 5840455 | Electrophotographic photoconductor | Narihito Kojima, Hiroshi Nagame | 1998-11-24 |
| 5656406 | Electrophotographic photoconductor with amorphous carbon overlayer | Narihito Kojima, Hiroshi Nagame, Shunpei Yamazaki, Shigenori Hayashi | 1997-08-12 |
| 5525447 | Electrophotographic photoconductor | Narihito Kojima, Hiroshi Nagame, Shunpei Yamazaki, Shigenori Hayashi | 1996-06-11 |
| 5452061 | Image formation apparatus | Narihito Kojima, Hiroshi Nagame | 1995-09-19 |
| 5350459 | Organic photovoltaic element | Tetsuro Suzuki, Masao Yoshikawa, Kazukiyo Nagai | 1994-09-27 |