Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11287756 | Positive charging electrophotographic photoreceptor, electrophotographic cartridge and image forming apparatus | — | 2022-03-29 |
| 10599057 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image forming apparatus | Akiteru Fujii, Wataru Miyashita | 2020-03-24 |
| 10185237 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, image forming apparatus, and polyarylate resin | Akiteru Fujii, Rui Zhao, Atsushi Yoshizawa, Yuuta Kumano | 2019-01-22 |
| 9791791 | Electrophotographic photoreceptor, electrophotographic cartridge, image forming apparatus, and charge transport substance | Tadashi Mizushima, Mitsuo Wada | 2017-10-17 |
| 9400438 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming apparatus | Akiteru Fujii | 2016-07-26 |
| 8609309 | Electrophotographic photoreceptor and image-forming apparatus | Teruyuki Mitsumori, Masayuki Hiroi | 2013-12-17 |
| 8481238 | Electrophotographic photoreceptors, electrophotographic photoreceptor cartridge, and image-forming apparatus | Rui Zhao, Teruyuki Mitsumori, Tadashi Mizushima, Shunichiro Kurihara, Takayuki Shoda | 2013-07-09 |
| 8288066 | Electrophotographic photoreceptor and image-forming apparatus | Teruyuki Mitsumori, Masayuki Hiroi | 2012-10-16 |
| 8273509 | Electrophotographic photoreceptor, and image forming device and electrophotographic photoreceptor cartridge using the same member cartridge | Tadashi Mizushima, Masami Tsurumori, Tomoko Nakagawa, Hiroaki Takamura, Shunichirou Kurihara +2 more | 2012-09-25 |
| 6057071 | Dihydroxysilicon compound and electrophotographic photoreceptor containing the compound | Toyoshi Ohashi, Yasuko Osano, Yuko Kojima, Ichiro Yokotake, Hitoshi Ono +1 more | 2000-05-02 |