Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11112706 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Eileen Takeuchi, Ikuyo Kuroiwa, Tsuyoshi Shimada, Wataru Kitamura | 2021-09-07 |
| 10935898 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Ikuyo Kuroiwa, Tsuyoshi Shimada, Kan Tanabe, Haruhiko Mitsuda, Takanori Ueno +2 more | 2021-03-02 |
| 10921723 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Tsuyoshi Shimada, Takanori Ueno, Ikuyo Kuroiwa, Haruhiko Mitsuda, Kan Tanabe +1 more | 2021-02-16 |
| 10908521 | Electrophotographic photoconductor, process cartridge, and electrophotographic apparatus | Haruhiko Mitsuda, Tatsuya Ikezue, Kan Tanabe, Ikuyo Kuroiwa, Takanori Ueno +1 more | 2021-02-02 |
| 10838314 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Tatsuya Ikezue, Ikuyo Kuroiwa, Kan Tanabe, Tsuyoshi Shimada, Haruhiko Mitsuda +1 more | 2020-11-17 |
| 10705440 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Takanori Ueno, Ikuyo Kuroiwa, Tsuyoshi Shimada, Wataru Kitamura, Eileen Takeuchi | 2020-07-07 |
| 10488770 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Ikuyo Kuroiwa, Wataru Kitamura, Tsuyoshi Shimada, Eileen Takeuchi | 2019-11-26 |
| 10353340 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Ikuyo Kuroiwa, Tsuyoshi Shimada, Eileen Takeuchi, Wataru Kitamura | 2019-07-16 |
| 10241429 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Tsuyoshi Shimada, Eileen Takeuchi, Ikuyo Kuroiwa, Wataru Kitamura, Kan Tanabe +1 more | 2019-03-26 |
| 8886092 | Electrophotographic apparatus and process cartridge | Yoshihisa Saito, Shoji Amamiya, Hideki Ogawa, Tatsuya Ikezue, Kan Tanabe +2 more | 2014-11-11 |
| 7813675 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kan Tanabe, Yoshihisa Saito, Hideki Ogawa, Shoji Amamiya, Tatsuya Ikezue +2 more | 2010-10-12 |
| 7437097 | Electrophotographic photosensitive member whose insert member has first and second surfaces of different levels, process cartridge, and electrophotographic apparatus having such photosensitive member | Hideki Ogawa, Wataru Kitamura | 2008-10-14 |
| 6833226 | Electrophotographic apparatus, process cartridge and electrophotographic photosensitive member | Hideki Ogawa, Wataru Kitamura | 2004-12-21 |