Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8543037 | Image forming apparatus | Kazuhiro Egawa, Yukio Fujiwara, Hidetoshi Kami | 2013-09-24 |
| 8420284 | Electrophotographic photoreceptor, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor | Hidetoshi Kami, Yukio Fujiwara, Kazuhiro Egawa | 2013-04-16 |
| 7862969 | Image bearing member and image forming method using thereof, and image forming apparatus and process cartridge | Yasuo Suzuki, Tetsuro Suzuki, Michitaka Sasaki | 2011-01-04 |
| 7662533 | Image forming method, and image forming apparatus and process cartridge using the image forming method | Yasuo Suzuki, Tetsuro Suzuki, Michitaka Sasaki | 2010-02-16 |
| 7550238 | Process cartridge, image forming apparatus, and image forming process | Yasuo Suzuki, Tetsuro Suzuki, Michitaka Sasaki | 2009-06-23 |
| 7517625 | Image forming apparatus and process cartridge | Yasuo Suzuki, Michitaka Sasaki, Tetsuro Suzuki | 2009-04-14 |
| 7383013 | Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged | Kazuhiko Watanabe, Kenji Sugiura, Yasushi Nakazato, Kazuhito Watanabe, Masahiko Shakuto +6 more | 2008-06-03 |
| 7295788 | Image forming apparatus and process cartridge | Hiroshi Nakai, Yasuo Suzuki, Nozomu Tamoto, Takahiko Tokumasu, Kazahiko Watanabe +3 more | 2007-11-13 |
| 7251438 | Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged | Kazuhiko Watanabe, Kazuhito Watanabe, Yasuo Suzuki, Nozomu Tamoto, Hiroshi Nakai +1 more | 2007-07-31 |
| 7251437 | Image formation apparatus having a body to be charged with specified properties and including the use of a protective material | Nozomu Tamoto, Tetsuro Suzuki, Yasuo Suzuki, Takahiko Tokumasu, Kazuhiko Watanabe +3 more | 2007-07-31 |
| 7103301 | Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged | Kazuhiko Watanabe, Kazuhito Watanabe, Yasuo Suzuki, Nozomu Tamoto, Hiroshi Nakai +2 more | 2006-09-05 |
| 6092461 | Heat-sensitive stencil, process of fabricating same and method of producing printing master using same | Tetsuo Tanaka, Hiroshi Tateishi, Fumiaki Arai, Masanori Rimoto, Hiroshi Adachi | 2000-07-25 |
| 6050183 | Heat-sensitive stencil, process of fabricating same and method of producing printing master using same | Tetsuo Tanaka, Hiroshi Tateishi, Fumiaki Arai, Masanori Rimoto, Hiroshi Adachi | 2000-04-18 |
| 5008172 | Electrophotographic photoconductor | Takashi Rokutanzono, Yukio Ide, Hiroshi Nagame, Narihito Kojima, Shinji Nousho | 1991-04-16 |
| 4908292 | Method of making an electrophotographic inorganic photosensitive element using ultraviolet radiation | Yukio Ide, Itaru Fujimura, Yoshiyuki Kageyama | 1990-03-13 |
| 4687723 | Electrophotographic photoconductor having a photosensitive layer of amorphous silicon carbonitride | Yoshiyuki Kageyama, Yukio Ide, Itaru Fujimura, Masako Kunita | 1987-08-18 |