Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11269282 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kenichi Ikari, Naoaki Ichihashi, Yasuhiro Kawai | 2022-03-08 |
| 10976682 | Method for controlling electrophotographic apparatus | Yukihiro Abe, Motoya Yamada, Toshiyasu Shirasuna, Jun Ohira, Yuu Nishimura | 2021-04-13 |
| 10895840 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Naoaki Ichihashi, Yasuhiro Kawai | 2021-01-19 |
| 10642175 | Electrophotographic photosensitive member and method for producing electrophotographic photosensitive member | Jun Ohira, Yukihiro Abe, Yasuo Kojima, Kazunari Ooyama, Takanori Ueno | 2020-05-05 |
| 10338486 | Electrophotographic photosensitive member and electrophotographic apparatus | Yukihiro Abe, Jun Ohira, Kazunari Ooyama, Takanori Ueno, Yasuo Kojima | 2019-07-02 |
| 8563203 | Electrophotographic photosensitive member and electrophotographic apparatus | Yuu Nishimura, Daisuke Tazawa | 2013-10-22 |
| 8455163 | Electrophotographic photosensitive member and electrophotographic apparatus | Makoto Aoki, Kazunari Ooyama | 2013-06-04 |
| 8088543 | Electrophotographic photosensitive member and electrophotographic apparatus | Kazuyoshi Akiyama | 2012-01-03 |
| 7255969 | Electrophotographic photosensitive member | Satoshi Kojima, Makoto Aoki, Jun Ohira, Kazuto Hosoi, Motoya Yamada | 2007-08-14 |
| 7229731 | Electrophotographic photosensitive member and electrophotographic apparatus using the electrophotographic photosensitive member | Makoto Aoki, Satoshi Kojima, Kazuto Hosoi, Jun Ohira | 2007-06-12 |
| 7157197 | Electrophotographic photosensitive member | Makoto Aoki, Satoshi Kojima, Motoya Yamada, Kazuto Hosoi, Jun Ohira | 2007-01-02 |
| 6764800 | Image forming process, and photosensitive member employed therefor | Koji Yamazaki, Hiroyuki Kobayashi, Masaya Kawada, Tetsuya Karaki | 2004-07-20 |
| 6636715 | Photosensitive member and image forming apparatus having the same | Kunimasa Kawamura, Koji Yamazaki, Toshiyuki Ehara, Masaya Kawada, Tetsuya Karaki | 2003-10-21 |
| 6605405 | Electrophotographic method and electrophotographic apparatus | Toshiyuki Ehara, Yuji Nakayama, Masaya Kawada, Takaaki Kaya, Tetsuya Karaki | 2003-08-12 |
| 6556233 | Electrophotographic apparatus and electrophotographic method featuring a photosensitive member having a linear EV characteristic | Toshiyuki Ehara, Yuji Nakayama, Masaya Kawada | 2003-04-29 |
| 6285385 | Electrophotographic method and apparatus which employs light beam irradiation to form an electrostatic image on a surface of a photosensitive member | Koji Yamazaki, Toshiyuki Ehara, Tetsuya Karaki, Kunimasa Kawamura | 2001-09-04 |
| 6233417 | Image forming apparatus | Yuji Nakayama, Koji Yamazaki, Masaya Kawada, Takaaki Kaya | 2001-05-15 |
| 6122467 | Image forming apparatus using an amorphous silicon photosensitive member having a thin cylinder | Toshiyuki Ehara, Yuji Nakayama, Masaya Kawada | 2000-09-19 |
| 6110629 | Electrophotographic, photosensitive member and image forming apparatus | Toshiyuki Ehara, Yuji Nakayama, Tetsuya Karaki | 2000-08-29 |