Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10599057 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image forming apparatus | Yuka Nagao, Wataru Miyashita | 2020-03-24 |
| 10203616 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming apparatus | Atsushi Yoshizawa, Wataru Miyashita, Mitsuo Wada, Takayuki Shouda | 2019-02-12 |
| 10185237 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, image forming apparatus, and polyarylate resin | Rui Zhao, Yuka Nagao, Atsushi Yoshizawa, Yuuta Kumano | 2019-01-22 |
| 9977354 | Coating liquid for electrophotographic photoreceptor production, electrophotographic photoreceptor, and image formation apparatus | Kazutaka Ida | 2018-05-22 |
| 9964868 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming apparatus | — | 2018-05-08 |
| 9880477 | Electrophotographic photoreceptor and image forming apparatus | — | 2018-01-30 |
| 9746816 | Image forming apparatus and electrophotographic cartridge | Tadashi Mizushima, Takayuki Shoda | 2017-08-29 |
| 9400438 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming apparatus | Yuka Nagao | 2016-07-26 |
| 9195154 | Electrophotographic photoreceptor and image forming apparatus | — | 2015-11-24 |
| 9029053 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image forming apparatus | — | 2015-05-12 |
| 8993203 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image forming apparatus | — | 2015-03-31 |
| 8846279 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image forming apparatus | — | 2014-09-30 |
| 8709689 | Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge | — | 2014-04-29 |
| 8697321 | Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge | — | 2014-04-15 |
| 7981581 | Phthalocyanine composition and photoconductive material, electrophotographic photoreceptor cartridge, and image-forming apparatus each employing the composition | Mitsuo Wada, Kazutaka Ida | 2011-07-19 |
| 6884556 | Electrophotographic photoreceptor | Yuuta Kumano, Satoshi Kato, Chiyoko Sato, Mamoru Nozomi | 2005-04-26 |
| 6803163 | Electrophotographic photoreceptor | Teruyuki Mitsumori, Mamoru Nozomi, Satoshi Kato, Yuuta Kumano | 2004-10-12 |
| 6599671 | Electrophotographic receptor | Teruyuki Mitsumori, Mamoru Nozomi, Satoshi Kato, Yuuta Kumano | 2003-07-29 |
| 6482560 | Electrophotographic photoreceptor | Teruyuki Mitsumori, Mamoru Nozomi, Satoshi Kato, Yuuta Kumano | 2002-11-19 |
| 6337165 | Electrophotographic photoreceptor and process for producing the same | Shinichi Suzuki | 2002-01-08 |
| 5932384 | Electrophotographic photoreceptor | Teruyuki Mitsumori, Takayuki Shouda, Mikiko Sato | 1999-08-03 |
| 5475213 | Optical information processing element and a light-to-light converting device | Mitsuru Yoneyama, Tetsuo Murayama | 1995-12-12 |