Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8655214 | Image forming apparatus for fixing a not-yet-fixed image | Hiroyuki Sugiyama, Jun Yura, Yukiko Iwasaki, Jun Shiori, Masaki Sukesako +2 more | 2014-02-18 |
| 8428488 | Charging device, process cartridge, image forming apparatus, and toner | Haruji Mizuishi, Toshio Koike, Takeshi Shintani, Yuji Arai, Takuzi Yoneda +7 more | 2013-04-23 |
| 8185032 | Used toner collection device and image forming apparatus | Hiroshi Ono, Shuji Tanaka, Ken Amemiya, Toshio Koike, Yuji Arai +4 more | 2012-05-22 |
| 8180246 | Image forming apparatus | Shinichi Kawahara, Masumi Sato, Nobuyuki Koinuma, Kazuhisa Sudo, Kazuhiko Yuki +4 more | 2012-05-15 |
| 8103207 | Lubricant application apparatus, process cartridge, and image forming apparatus using same | Shinya Karasawa, Takatsugu Fujishiro, Hiromichi Ninomiya | 2012-01-24 |
| 8000627 | Charging device, process cartridge, image forming apparatus, and toner | Haruji Mizuishi, Toshio Koike, Takeshi Shintani, Yuji Arai, Takuzi Yoneda +7 more | 2011-08-16 |
| 7826786 | Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner | Takeo Suda, Shinichi Kawahara, Takatsugu Fujishiro, Takeshi Tabuchi, Masato Yanagida +15 more | 2010-11-02 |
| 7680429 | Charging device including charging roller and cleaning roller | Muraishi Takaya, Hiromichi Ninomiya, Atsushi Sampe, Yoshiyuki Kimura, Hiroyuki Nagashima +9 more | 2010-03-16 |
| 7672635 | Method and apparatus for image forming and effectively applying lubricant to an image bearing member | Yoshiki Hozumi, Toshio Koike, Ken Amemiya, Masanori Kawasumi, Yuji Arai +5 more | 2010-03-02 |
| 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 |
| 7539451 | Image forming apparatus and toner | Masanori Kawasumi, Haruji Mizuishi, Toshio Koike, Takeshi Shintani, Yuji Arai +8 more | 2009-05-26 |
| 7477862 | Charged device, cleaning device, process cartridge, toner, and image-forming device that uses these | Muraishi Takaya, Hiromichi Ninomiya, Atsushi Sampe, Yoshiyuki Kimura, Hiroyuki Nagashima +9 more | 2009-01-13 |
| 7373101 | Method and apparatus for image forming and effectively applying lubricant to an image bearing member | Yoshiki Hozumi, Toshio Koike, Ken Amemiya, Masanori Kawasumi, Yuji Arai +5 more | 2008-05-13 |
| 7333744 | Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltage | Eiji Shimojo, Haruji Mizuishi, Masanori Kawasumi, Takuzi Yoneda, Ken Amemiya +6 more | 2008-02-19 |
| 7313347 | Cleaning device, process cartridge, image forming apparatus and toner | Takeshi Shintani, Takuzi Yoneda, Ken Amemiya, Takaaki Tawada, Toshio Koike +12 more | 2007-12-25 |
| 7292816 | Method and apparatus for electrophotographic image forming capable of effectively removing residual toner, a cleaning mechanism used therein, a process cartridge including the cleaning mechanism used in the apparatus, and toner used in the apparatus | Toshio Koike, Takaaki Tawada, Takeshi Shintani, Yuji Arai, Takuzi Yoneda +4 more | 2007-11-06 |