Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7534537 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Nobumichi Miki, Hideaki Nagasaka, Michiyo Sekiya, Yosuke Morikawa | 2009-05-19 |
| 7396622 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hideaki Nagasaka, Michiyo Sekiya, Nobumichi Miki, Yosuke Morikawa | 2008-07-08 |
| 7141341 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hideaki Nagasaka, Michiyo Sekiya, Nobumichi Miki, Yosuke Morikawa | 2006-11-28 |
| 7129012 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Michiyo Sekiya, Hideaki Nagasaka, Nobumichi Miki, Yosuke Morikawa | 2006-10-31 |
| 6228546 | Polymer, electrophotographic photosensitive member containing the polymer, process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member | Yoshio Kashizaki, Akihiro Senoo | 2001-05-08 |
| 5875375 | Electrophotographic apparatus and process cartridge | Hiroyuki Ohmori, Shintetsu Go | 1999-02-23 |
| 5604061 | Electrophotographic photosensitive member, process cartridge including same and electrophotographic apparatus | Hajime Miyazaki, Yoshio Kashizaki, Akihiro Senoo | 1997-02-18 |