Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7826786 | Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner | Shinichi Kawahara, Takatsugu Fujishiro, Tokuya Ojimi, Takeshi Tabuchi, Masato Yanagida +15 more | 2010-11-02 |
| 7817953 | Image recording medium, sheet feeding device, and image forming apparatus | Mikio Ishibashi, Reki Nakamura, Kazuhisa Sudo, Megumi Ohtoshi, Masafumi Yamada +4 more | 2010-10-19 |
| 7548712 | Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drum | Takatsugu Fujishiro, Hideki Zemba, Hisao Murayama | 2009-06-16 |
| 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 |
| 7496323 | Lubricant applying unit, process cartridge, and image forming apparatus | Chohtaroh Kataoka, Shinichi Kawahara, Takaaki Tawada | 2009-02-24 |
| 7486916 | Method and apparatus of image forming and process cartridge included in the apparatus | Kiyonori Tsuda, Atsushi Sampe, Satoshi Hatori, Yuji Arai, Tomoji Ishikawa +1 more | 2009-02-03 |
| 7463845 | Charging device having a first and second pressure with a cleaning member, and process cartridge and image forming apparatus including the charging device | Shinichi Kawahara, Keiichi Yoshida, Yoshio Hattori, Shuji Tanaka | 2008-12-09 |
| 7444097 | Air-conditioned electrophotographic image forming apparatus | Yasuo Suzuki, Satoshi Igari, Katsuaki Miyawaki, Yasushi Nakazato, Tetsuroh Miura +1 more | 2008-10-28 |
| 7391991 | Process cartridge and image forming apparatus | Shinichi Kawahara, Takaaki Tawada, Choutaroh Kataoka | 2008-06-24 |
| 7352989 | Reinforced cleaning member, and process cartridge and image forming apparatus using same | — | 2008-04-01 |
| 7321742 | Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drum | Takatsugu Fujishiro, Hideki Zemba, Hisao Murayama | 2008-01-22 |
| 7315723 | Method and apparatus for image forming capable of effectively transporting toner | Shinichi Kawahara, Keiichi Yoshida, Yoshio Hattori, Yutaka Takahashi | 2008-01-01 |
| 7218887 | Reinforced cleaning member and process cartridge and image forming apparatus using same | — | 2007-05-15 |
| 7209698 | Method and apparatus for image forming capable of using minuscule spherical particles of toner, a process cartridge in use for the apparatus and a toner used in the image forming for obtaining an image with a high thin line reproducibility | Takaaki Tawada, Shinichi Kawahara, Chohtaroh Kataoka, Keiichi Yoshida, Haruji Mizuishi | 2007-04-24 |
| 7162189 | Method and apparatus of image forming and process cartridge included in the apparatus | Kiyonori Tsuda, Atsushi Sampe, Satoshi Hatori, Yuji Arai, Tomoji Ishikawa +1 more | 2007-01-09 |
| 7146122 | Image forming apparatus and image forming unit | Satoshi Hatori, Kiyonori Tsuda, Naoto Watanabe, Yuji Arai, Tomoji Ishikawa +1 more | 2006-12-05 |
| 7136610 | Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself | Yuji Arai, Atsushi Sampe, Kiyonori Tsuda, Satoshi Hatori, Tomoji Ishikawa +11 more | 2006-11-14 |
| 7072602 | Image forming apparatus and image forming unit | Satoshi Hatori, Kiyonori Tsuda, Naoto Watanabe, Yuji Arai, Tomoji Ishikawa +1 more | 2006-07-04 |
| 7065317 | Reinforced cleaning member, and process cartridge and image forming apparatus using same | — | 2006-06-20 |
| 7062207 | Powder transport apparatus and image forming apparatus that can stabilize replenishment of powder | Kiyonori Tsuda, Atsushi Sampe, Satoshi Hatori, Yuji Arai, Tomoji Ishikawa +1 more | 2006-06-13 |
| 7035582 | Image forming apparatus and process cartridge including lubricant applying device that prevents waste of lubricant | Shinichi Kawahara, Takaaki Tawada, Chohtaroh Kataoka | 2006-04-25 |
| 7027751 | Electrophotographic image forming apparatus having residual toner collection | Tetsuroh Miura, Katsuaki Miyawaki, Takeshi Saitou, Yasushi Nakazato, Yasuo Suzuki | 2006-04-11 |
| 7010246 | Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drum | Takatsugu Fujishiro, Hideki Zemba, Hisao Murayama | 2006-03-07 |
| 6889023 | Charging device, process cartridge and image forming device | Hirohmi Harada | 2005-05-03 |
| 6807390 | Image forming apparatus | Shinichi Kawahara, Masanori Kawasumi, Ken Amemiya, Hiroshi Ono, Hiroshi Mizusawa | 2004-10-19 |