Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10935898 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Ikuyo Kuroiwa, Kumiko Takizawa, Tsuyoshi Shimada, Kan Tanabe, Takanori Ueno +2 more | 2021-03-02 |
| 10921723 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kumiko Takizawa, Tsuyoshi Shimada, Takanori Ueno, Ikuyo Kuroiwa, Kan Tanabe +1 more | 2021-02-16 |
| 10908521 | Electrophotographic photoconductor, process cartridge, and electrophotographic apparatus | Tatsuya Ikezue, Kumiko Takizawa, Kan Tanabe, Ikuyo Kuroiwa, Takanori Ueno +1 more | 2021-02-02 |
| 10838314 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Tatsuya Ikezue, Kumiko Takizawa, Ikuyo Kuroiwa, Kan Tanabe, Tsuyoshi Shimada +1 more | 2020-11-17 |
| 10732525 | Electrophotographic apparatus | Tsuyoshi Shimada, Kan Tanabe | 2020-08-04 |
| 10241429 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Tsuyoshi Shimada, Kumiko Takizawa, Eileen Takeuchi, Ikuyo Kuroiwa, Wataru Kitamura +1 more | 2019-03-26 |
| 9983490 | Electrophotographic apparatus | Tsuyoshi Shimada, Ryoichi Tokimitsu, Mai Murakami, Kan Tanabe, Wataru Kitamura | 2018-05-29 |