Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8568945 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor using the photoreceptor | Naohiro Toda, Yuuji Tanaka, Norio Nagayama, Yoshinori Inaba, Takafumi Iwamoto | 2013-10-29 |
| 8206880 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor using the photoreceptor | Masafumi Ohta, Tatsuya Niimi, Norio Nagayama, Yoshiki Yanagawa, Yuuji Tanaka | 2012-06-26 |
| 8207312 | Method of preparing complex-AZO pigment and complex-AZO pigment thereof | Masafumi Ohta, Yoshiki Yanagawa | 2012-06-26 |
| 8178266 | Electrophotographic photoreceptor, image forming apparatus using the electrophotographic photoreceptor, and method of producing electrophotographic photoreceptor | Nozomu Tamoto, Tomoyuki Shimada, Takafumi Iwamoto | 2012-05-15 |
| 7955768 | Electrophotographic photoconductor and method for producing the same, image forming apparatus, and process cartridge | Nozomu Tamoto, Katsuichi Ohta | 2011-06-07 |
| 7855040 | Method for preparing photoreceptor, photoreceptor prepared by the method, and image forming method and apparatus and process cartridge using the photoreceptor | Yoshiki Yanagawa, Michio Kimura, Nozomu Tamoto, Tetsuya Toshine, Tomoyuki Shimada +1 more | 2010-12-21 |
| 7851119 | Electrophotographic photoconductor, method for producing the same, image forming process, image forming apparatus and process cartridge | Tetsuya Toshine, Chiaki Tanaka, Michio Kimura, Tomoyuki Shimada, Nozomu Tamoto +1 more | 2010-12-14 |