Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6844124 | 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 | 2005-01-18 |
| 6824939 | Electrophotographic image forming method and apparatus | Ryohichi Kitajima, Takaaki Ikegami, Yoshiaki Kawasaki | 2004-11-30 |
| 6790572 | Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor | Nozomu Tamoto, Tetsuro Suzuki, Hiroshi Tamura, Tatsuya Niimi, Akihiko Matsuyama +1 more | 2004-09-14 |
| 6653033 | Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same | Hidetoshi Kami, Tatsuya Niimi, Akihiko Matuyama, Nozomu Tamoto | 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 |
| 6573016 | Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same | Hidetoshi Kami, Tatsuya Niimi, Akihiko Matuyama, Nozomu Tamoto | 2003-06-03 |
| 6432596 | Electrophotographic photoreceptor and image forming method and apparatus using the photoreceptor | Hiroshi Ikuno, Narihito Kojima | 2002-08-13 |
| 5702855 | Electrophotographic photoconductor containing a mixture of a phenol compound and an organic sulfur-containing compound | Takaaki Ikegami, Takashi Rokutanzono | 1997-12-30 |
| 5578405 | Electrophotographic photoconductor containing disazo and trisazo pigments | Takaaki Ikegami, Takashi Rokutanzono, Katsuichi Ohta, Masaomi Sasaki, Yasuo Suzuki +3 more | 1996-11-26 |