Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12248273 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Nobuhiro Nakamura, Tomohito Ishida, Shuhei Iwasaki, Hiroyuki Watanabe, Shuntaro Watanabe | 2025-03-11 |
| 11619907 | Process cartridge | Shuhei Iwasaki, Hiroyuki Watanabe, Nobuhiro Nakamura, Tomohito Ishida, Shuntaro Watanabe | 2023-04-04 |
| 11340553 | Process cartridge and electrophotographic apparatus | Kaname Watariguchi, Kohei Makisumi, Yuichi Kikuchi, Kazuhiro Yamauchi, Hirotaka Araki +1 more | 2022-05-24 |
| 11137716 | Process cartridge and electrophotographic apparatus | Kaname Watariguchi, Kohei Makisumi, Kazuhiro Yamauchi, Yuichi Kikuchi | 2021-10-05 |
| 11112719 | Process cartridge and electrophotographic apparatus capable of suppressing lateral running while maintaining satisfactory potential function | Kohei Makisumi, Kaname Watariguchi, Kazuhiro Yamauchi, Yuichi Kikuchi | 2021-09-07 |