Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11340553 | Process cartridge and electrophotographic apparatus | Kaname Watariguchi, Fumiyuki Hiyama, Yuichi Kikuchi, Kazuhiro Yamauchi, Hirotaka Araki +1 more | 2022-05-24 |
| 11249407 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Kaname Watariguchi, Tomohito Ishida, Masataka Kawahara, Michiyo Sekiya | 2022-02-15 |
| 11237493 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Kaname Watariguchi, Masataka Kawahara, Tomohito Ishida, Michiyo Sekiya | 2022-02-01 |