Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11181837 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Michiyo Sekiya, Masataka Kawahara, Tomohito Ishida, Kohei Makisumi | 2021-11-23 |
| 11137716 | Process cartridge and electrophotographic apparatus | Fumiyuki Hiyama, Kohei Makisumi, Kazuhiro Yamauchi, Yuichi Kikuchi | 2021-10-05 |
| 11126097 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Tomohito Ishida, Masataka Kawahara, Michiyo Sekiya, Kohei Makisumi | 2021-09-21 |
| 11112719 | Process cartridge and electrophotographic apparatus capable of suppressing lateral running while maintaining satisfactory potential function | Kohei Makisumi, Fumiyuki Hiyama, Kazuhiro Yamauchi, Yuichi Kikuchi | 2021-09-07 |