Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117741 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Hiroko Kobayashi, Tomoya Sasaki, Ryosuke Fujii, Kosuke Narita | 2024-10-15 |
| 11892780 | Image forming apparatus and process cartridge | Yoshiteru Yamada, Tomoya Sasaki, Ryosuke Fujii, Hiroko Kobayashi | 2024-02-06 |
| 11796928 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Kenta Shingu, Yoshiteru Yamada, Akihiro Kawasaki, Keisuke Kusano, Kohei Hashimoto +3 more | 2023-10-24 |
| 11693329 | Fluorine-containing resin particle, composition, layer-shaped article, electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Masahiro Iwasaki, Ryosuke Fujii, Keisuke Kusano, Taisuke Fukui | 2023-07-04 |
| 11526092 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Masahiro Iwasaki, Wataru Yamada, Keisuke Kusano, Taisuke Fukui | 2022-12-13 |
| 11435674 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Masahiro Iwasaki, Keisuke Kusano, Taisuke Fukui | 2022-09-06 |
| 11333987 | Fluorine-containing resin particle, composition, layer-shaped article, electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Masahiro Iwasaki, Ryosuke Fujii, Keisuke Kusano, Taisuke Fukui | 2022-05-17 |
| 11307508 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Keisuke Kusano, Wataru Yamada, Masahiro Iwasaki | 2022-04-19 |
| 11099492 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Keisuke Kusano, Wataru Yamada, Masahiro Iwasaki, Ryosuke Fujii, Taisuke Fukui | 2021-08-24 |
| 11066543 | Dispersant attached polytetrafluoroethylene particle, composition, layered material, electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Takahiro Nakamura, Shingo SUDA, Masahiro Iwasaki, Ryosuke Fujii +2 more | 2021-07-20 |
| 11048181 | Electrophotographic photoreceptor, process cartridge, and image-forming apparatus | Masahiro Iwasaki, Wataru Yamada, Ryosuke Fujii, Keisuke Kusano, Taisuke Fukui | 2021-06-29 |
| 10705441 | Electrophotographic photoreceptor, process cartridge, and image-forming apparatus | Ryosuke Fujii, Wataru Yamada, Masahiro Iwasaki, Keisuke Kusano, Taisuke Fukui | 2020-07-07 |