Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416871 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method of manufacturing electrophotographic photosensitive member | Masayuki Shinozuka, Koji Takahashi | 2025-09-16 |
| 12248274 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Koji Takahashi, Masayuki Shinozuka | 2025-03-11 |
| 12181832 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Koji Takahashi, Masayuki Shinozuka | 2024-12-31 |
| 10976682 | Method for controlling electrophotographic apparatus | Yukihiro Abe, Toshiyasu Shirasuna, Hironori Owaki, Jun Ohira, Yuu Nishimura | 2021-04-13 |
| 8440377 | Electrophotographic photosensitive member and electrophotographic apparatus | Tomohito Ozawa, Kazuyoshi Akiyama, Daisuke Tazawa | 2013-05-14 |
| 7255969 | Electrophotographic photosensitive member | Satoshi Kojima, Makoto Aoki, Jun Ohira, Hironori Owaki, Kazuto Hosoi | 2007-08-14 |
| 7157197 | Electrophotographic photosensitive member | Makoto Aoki, Satoshi Kojima, Kazuto Hosoi, Jun Ohira, Hironori Owaki | 2007-01-02 |