Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11307510 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image forming apparatus | Wataru Miyashita, Takahiro Choda, Akira Ando, Hiroe Fuchigami | 2022-04-19 |
| 10725391 | Electrophotographic photoreceptor and image forming apparatus | Atsushi Yoshizawa | 2020-07-28 |
| 10503088 | Electrophotographic photoreceptor, image forming apparatus, and coating liquid for forming photosensitive layer | Hiroe Fuchigami | 2019-12-10 |
| 10203616 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming apparatus | Atsushi Yoshizawa, Wataru Miyashita, Akiteru Fujii, Takayuki Shouda | 2019-02-12 |
| 10197928 | Electrophotographic photoreceptor, image forming apparatus, and coating liquid for forming photosensitive layer | Hiroe Fuchigami | 2019-02-05 |
| 10139741 | Charge transport substance, electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image-forming apparatus | — | 2018-11-27 |
| 10095135 | Phthalocyanine crystal, and electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image-forming device using the same | Kazutaka Ida, Teruyuki Mitsumori, Hiroaki Takamura, Tadashi Mizushima | 2018-10-09 |
| 9835961 | Phthalocyanine crystal, and electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image-forming device using the same | Kazutaka Ida, Teruyuki Mitsumori, Hiroaki Takamura, Tadashi Mizushima | 2017-12-05 |
| 9791791 | Electrophotographic photoreceptor, electrophotographic cartridge, image forming apparatus, and charge transport substance | Tadashi Mizushima, Yuka Nagao | 2017-10-17 |
| 9709906 | Charge transport substance, electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image-forming apparatus | — | 2017-07-18 |
| 9507284 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, image-forming apparatus, and triarylamine compound | Hiroe Fuchigami | 2016-11-29 |
| 9296899 | Phthalocyanine crystal, and electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image-forming device using the same | Kazutaka Ida, Teruyuki Mitsumori, Hiroaki Takamura, Tadashi Mizushima | 2016-03-29 |
| 8846282 | Phthalocyanine crystal, and electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image-forming device using the same | Kazutaka Ida, Teruyuki Mitsumori, Hiroaki Takamura, Tadashi Mizushima | 2014-09-30 |
| 7981581 | Phthalocyanine composition and photoconductive material, electrophotographic photoreceptor cartridge, and image-forming apparatus each employing the composition | Kazutaka Ida, Akiteru Fujii | 2011-07-19 |
| 7217483 | Electrophotographic photoreceptor, drum cartridge employing the electrophotographic photoreceptor, and image-forming apparatus | Mamoru Nozomi, Kazutaka Ida | 2007-05-15 |
| 5475058 | Composition of polyamide, polyester and glycidyl vinylic copolymer | Hiroo Horiuchi, Naoki Wakita, Kazushi Watanabe | 1995-12-12 |
| D354007 | Clock | — | 1995-01-03 |
| D347182 | Clock | — | 1994-05-24 |
| D346117 | Clock | Mariko Minami | 1994-04-19 |
| D345307 | Clock | Mariko Minami | 1994-03-22 |
| D344899 | Clock | Mariko Minami | 1994-03-08 |
| 5290864 | Thermoplastic polybutylene terephthalate resin compositions and molded articles formed thereof | Mitsuhiro Mochizuki | 1994-03-01 |
| D344026 | Clock | — | 1994-02-08 |
| D336436 | Clock | Tsunemi Kawashima | 1993-06-15 |
| D336449 | Clock | — | 1993-06-15 |