Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8064795 | Electrophotographic image forming apparatus and process cartridge | Keisuke Shimoyama, Michitaka Sasaki, Shin-ichi Kawamura | 2011-11-22 |
| 8059990 | Image forming apparatus | Keisuke Shimoyama, Shinich Kawamura | 2011-11-15 |
| 8007972 | Electrophotographic photoconductor, and image forming apparatus, process cartridge and image forming method using the same | Keisuke Shimoyama, Michio Kimura, Shinichi Kawamura, Takeshi Takada, Yasuyuki Yamashita +2 more | 2011-08-30 |
| 7919220 | Electrophotographic photoreceptor, image forming apparatus and process cartridge | Keisuke Shimoyama, Shinichi Kawamura | 2011-04-05 |
| 7871747 | Electrophotographic photoconductor having charge blocking and moire preventing layers | Keisuke Shimoyama, Takeshi Orito, Tatsuya Niimi, Shinichi Kawamura, Yoshiki Yanagawa +1 more | 2011-01-18 |
| 7747197 | Electrophotographic image forming apparatus and process cartridge | Keisuke Shimoyama | 2010-06-29 |
| 7341810 | Electrophotographic photoreceptor method of manufacturing electrophotographic photoreceptor, and electrophotographic apparatus and process cartridge using electrophotographic photoreceptor | Yasuyuki Yamashita | 2008-03-11 |
| 7314693 | Electrophotographic photoconductor, electrophotographic process, electrophotographic apparatus, and process cartridge | Takaaki Ikegami, Shinji Nohsho, Hidetoshi Kami, Akihiro Sugino, Yasuyuki Yamashita +2 more | 2008-01-01 |
| 7295796 | Image forming apparatus having a temporary toner holding device and a toner collecting device | Eisaku Murakami, Hideo Yoshizawa, Hiroyuki Nagashima, Yoshiyuki Kimura, Hideki Zemba +8 more | 2007-11-13 |
| 7292817 | Image forming apparatus, process cartridge, and waste toner recovery device | Eisaku Murakami, Hideo Yoshizawa, Hiroyuki Nagashima, Yoshiyuki Kimura, Hideki Zemba +2 more | 2007-11-06 |
| 7282529 | Coating liquid for an electrographic photoreceptor and a method of preparation using a ball mill | Nozomu Tamoto, Tetsuro Suzuki, Hiroshi Tamura, Tatsuya Niimi, Akihiko Matsuyama +1 more | 2007-10-16 |
| 7267916 | Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor | Akihiro Sugino, Shinji Nousho, Takaaki Ikegami, Hideo Nakamori, Hidetoshi Kami +1 more | 2007-09-11 |
| 7184684 | Image forming apparatus, process cartridge, and waste toner recovery device | Eisaku Murakami, Hideo Yoshizawa, Hiroyuki Nagashima, Yoshiyuki Kimura, Hideki Zemba +2 more | 2007-02-27 |
| 7177583 | Image forming apparatus and copier | Ryohichi Kitajima, Yoshiaki Kawasaki, Akihiro Sugino, Takaaki Ikegami | 2007-02-13 |
| 7160658 | Electrophotographic photoreceptor, and image forming method, image forming apparatus, and image forming apparatus processing unit using same | Tetsuro Suzuki, Kazukiyo Nagai, Nozomu Tamoto, Hidetoshi Kami | 2007-01-09 |
| 7127196 | Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor and image forming apparatus using the electrophotographic photoreceptor | Hidetoshi Kami, Tatsuya Niimi, Akihiko Matsuyama, Nozomu Tamoto | 2006-10-24 |
| 7110699 | Image forming apparatus and process cartridge for use in the same | Hideo Yoshizawa, Eisaku Murakami, Hiroyuki Nagashima, Yoshiyuki Kimura, Hideki Zemba | 2006-09-19 |
| 7060404 | Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor and image forming apparatus using the electrophotographic photoreceptor | Hidetoshi Kami, Tatsuya Niimi, Akihiko Matsuyama, Nozomu Tamoto | 2006-06-13 |
| 7031650 | Image forming apparatus and copier | Ryohichi Kitajima, Yoshiaki Kawasaki, Akihiro Sugino, Takaaki Ikegami | 2006-04-18 |
| 6993281 | Image forming apparatus and process cartridge including flexible member | Hideo Yoshizawa, Eisaku Murakami, Hiroyuki Nagashima, Yoshiyuki Kimura, Hideki Zemba | 2006-01-31 |
| 6975830 | Image forming apparatus, process cartridge, and waste toner recovery device | Eisaku Murakami, Hideo Yoshizawa, Hiroyuki Nagashima, Yoshiyuki Kimura, Hideki Zemba +2 more | 2005-12-13 |
| 6936388 | Electrophotographic photoreceptor, and image forming method, image forming apparatus, and image forming apparatus processing unit using same | Tetsuro Suzuki, Kazukiyo Nagai, Nozomu Tamoto, Hidetoshi Kami | 2005-08-30 |
| 6858362 | Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor | Nozomu Tamoto, Tetsuro Suzuki, Hiroshi Tamura, Tatsuya Niimi, Akihiko Matsuyama +1 more | 2005-02-22 |
| 6853834 | Image forming apparatus and copier | Ryohichi Kitajima, Yoshiaki Kawasaki, Akihiro Sugino, Takaaki Ikegami | 2005-02-08 |
| 6853823 | Electrophotographic photoreceptor and image forming apparatus using the photoreceptor | Akihiro Sugino, Ryohichi Kitajima, Yoshiaki Kawasaki, Takaaki Ikegami | 2005-02-08 |