Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12259673 | Image forming apparatus | Yuki OYAMADA, Kenta IDE, Masahiro Iwasaki, Yoichi KIGOSHI | 2025-03-25 |
| 12189315 | Image forming apparatus including an electrophotographic photoreceptor | Masahiro Iwasaki, Yoichi KIGOSHI, Yuki OYAMADA, Kenta IDE | 2025-01-07 |
| 12032323 | Image forming apparatus and process cartridge | Wataru Yamada, Masahiro Iwasaki, Akihiro Kawasaki, Yuki OYAMADA | 2024-07-09 |
| 12019393 | Electrophotographic photoconductor, process cartridge, and image forming apparatus | Jiro Korenaga, Shuhei Yamazaki, Satoshi Mizoguchi, Yoichi KIGOSHI, Michinori Fukuma +2 more | 2024-06-25 |
| 11853004 | Electrophotographic photoconductor, process cartridge, and image forming apparatus | Yukimi KAWABATA, Hideya KATSUHARA, Natsumi Kaneko | 2023-12-26 |
| 11796928 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Kenta Shingu, Yoshiteru Yamada, Akihiro Kawasaki, Kohei Hashimoto, Yuto Okazaki +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, Yuto Okazaki, Taisuke Fukui | 2023-07-04 |
| 11526092 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Masahiro Iwasaki, Wataru Yamada, Yuto Okazaki, Taisuke Fukui | 2022-12-13 |
| 11435674 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Yuto Okazaki, Wataru Yamada, Masahiro Iwasaki, 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, Yuto Okazaki, Taisuke Fukui | 2022-05-17 |
| 11307508 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Masahiro Iwasaki, Yuto Okazaki | 2022-04-19 |
| 11099492 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Masahiro Iwasaki, Ryosuke Fujii, Yuto Okazaki, 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, Taisuke Fukui, Yuto Okazaki | 2021-06-29 |
| 10705441 | Electrophotographic photoreceptor, process cartridge, and image-forming apparatus | Ryosuke Fujii, Wataru Yamada, Masahiro Iwasaki, Taisuke Fukui, Yuto Okazaki | 2020-07-07 |
| 10372049 | Electrophotographic photoreceptor, process cartridge, and image-forming apparatus | Akihiro Kawasaki, Hirofumi Nakamura, Yohei Saito | 2019-08-06 |
| 10152013 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Yu NAKAMURA | 2018-12-11 |
| 9829812 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Masahiro Iwasaki, Jiro Korenaga, Yukimi KAWABATA | 2017-11-28 |
| 9557662 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Jiro Korenaga, Yoshifumi SHOJI, Yukimi KAWABATA | 2017-01-31 |
| 9335644 | Electron transport material, electrophotographic photoreceptor, process cartridge, and image forming apparatus | Masahiro Iwasaki, Shinya Yamamoto, Jiro Korenaga, Daisuke Haruyama, Yukimi KAWABATA +2 more | 2016-05-10 |