Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8204400 | Charging device capable of efficiently charging image carrier | Shinya Karasawa, Takatsugu Fujishiro, Takaaki Tawada, Hiromichi Ninomiya, Naohiro Kumagai +1 more | 2012-06-19 |
| 7826786 | Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner | Takeo Suda, Shinichi Kawahara, Takatsugu Fujishiro, Tokuya Ojimi, Masato Yanagida +15 more | 2010-11-02 |
| 7542712 | Lubricant applicator, and image forming apparatus and process cartridge using the lubricant applicator, and method for assembling the process cartridge | Shuji Tanaka, Shinichi Kawahara, Yoshiyuki Kimura, Hiroshi Hosokawa, Yoshio Hattori +11 more | 2009-06-02 |
| 7430377 | Image forming apparatus and process cartridge having a detachable unit body having a lubricant applying unit and image carrier mounted thereon | Toshio Koike, Ken Amemiya, Naohiro Kumagai, Masato Yanagida, Masanori Kawasumi +8 more | 2008-09-30 |
| 7313347 | Cleaning device, process cartridge, image forming apparatus and toner | Takeshi Shintani, Takuzi Yoneda, Ken Amemiya, Takaaki Tawada, Tokuya Ojimi +12 more | 2007-12-25 |
| 7149465 | Cleaning unit, process cartridge, image forming apparatus, and toner | Ken Amemiya, Masato Yanagida, Naohiro Kumagai, Takeshi Shintani, Takaaki Tawada +8 more | 2006-12-12 |
| 6405006 | Image forming apparatus and photoconductive belt module having a non-contact proximity charging device | — | 2002-06-11 |
| 5792533 | Electrostatic charging roller | Junji Kurokawa | 1998-08-11 |
| 5649265 | Image forming apparatus and method having a temperature sensor which is used in both contact and separation positions | — | 1997-07-15 |
| 5585896 | Image forming apparatus with a contact member contacting an image carrier | Kouichi Yamazaki, Sadao Takahashi, Nobuo Kikuchi, Kentaro Matsumoto, Tadashi Hayakawa +3 more | 1996-12-17 |
| 5572293 | Method of and system for cleaning a charge inducing member | Nobuo Kikuchi, Kouichi Yamazaki, Sadao Takahashi, Kentaro Matsumoto, Tadashi Hayakawa +3 more | 1996-11-05 |
| 5557373 | Cleaning system for charging drum of an image forming apparatus | Yoshiaki Miyashita, Kouichi Yamazaki, Nobuo Kikuchi, Kentaro Matsumoto, Sadao Takahashi +1 more | 1996-09-17 |
| 5512708 | Toner used in an image forming apparatus | Sadao Takahashi, Kouichi Yamazaki, Nobuo Kikuchi, Kentaro Matsumoto, Tadashi Hayakawa +1 more | 1996-04-30 |
| 4391908 | Method for producing citric acids | Matazo Abe | 1983-07-05 |
| 4389484 | Method for producing citric acid | Matazo Abe | 1983-06-21 |