Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372889 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming apparatus | Daisuke Yamazaki, Akira Ando | 2025-07-29 |
| 11307510 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image forming apparatus | Mitsuo Wada, Wataru Miyashita, Akira Ando, Hiroe Fuchigami | 2022-04-19 |
| 11188002 | Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image forming apparatus | Atsushi Yoshizawa | 2021-11-30 |
| 6214506 | Electrophotographic photosensitive member and process for producing the same | Syunichiro Kurihara | 2001-04-10 |
| 5932385 | Electrophotographic copying method and electrophotographic copying machine used in the method | Hiroaki Takamura, Itaru Ogawa, Mamoru Nozomi | 1999-08-03 |
| 5378382 | Piezoelectric ceramic composition for actuator | Tetsuhiko Nishimura, Yukio Chida | 1995-01-03 |
| 5188992 | Piezoelectric ceramic composition for actuators | Tetsuhiko Nishimura, Yukio Chida, Yasuo Oguri | 1993-02-23 |