Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9411299 | Lubricant supply device, image forming apparatus, and pressing device | Shinichi Kawahara, Hiroomi Harada, Teruyuki Kasuga | 2016-08-09 |
| 9310750 | Image forming apparatus and process cartridge therefor | Hisashi Kikuchi, Kazuhiko Watanabe, Takaaki Tawada, Naomi Sugimoto, Yuu Sakakibara | 2016-04-12 |
| 9170557 | Cleaning blade, image forming apparatus, and process cartridge | Kazuhiko Watanabe, Takaaki Tawada, Hisashi Kikuchi | 2015-10-27 |
| 9081353 | Cleaner, and process cartridge and image forming apparatus using the cleaner | Takaaki Tawada, Kazuhiko Watanabe, Hisashi Kikuchi, Naomi Sugimoto, Yuu Sakakibara | 2015-07-14 |
| 8494428 | Lubricant applicator, process unit including the lubricant applicator, transfer unit including the lubricant applicator, and image forming apparatus including the process unit or the transfer unit | Yuta Azeyanagi, Ken Amemiya, Satoshi Hatori, Toshio Koike, Yuji Arai +5 more | 2013-07-23 |
| 8235177 | Lubricant supply device, image forming apparatus, and pressing device | Shinichi Kawahara, Hiroomi Harada, Teruyuki Kasuga | 2012-08-07 |
| 8218997 | Cleaning member, charging device, process cartridge, and image forming apparatus | Hiroshi Saitoh | 2012-07-10 |
| 8204400 | Charging device capable of efficiently charging image carrier | Shinya Karasawa, Takaaki Tawada, Hiromichi Ninomiya, Takeshi Tabuchi, Naohiro Kumagai +1 more | 2012-06-19 |
| 8103207 | Lubricant application apparatus, process cartridge, and image forming apparatus using same | Shinya Karasawa, Tokuya Ojimi, Hiromichi Ninomiya | 2012-01-24 |
| 7885595 | Lubricant applicator, process cartridge including same, and image forming apparatus including same | Hiromichi Ninomiya, Takaaki Tawada, Akira Fujimori | 2011-02-08 |
| 7826786 | Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner | Takeo Suda, Shinichi Kawahara, Tokuya Ojimi, Takeshi Tabuchi, Masato Yanagida +15 more | 2010-11-02 |
| 7734219 | Unit, image forming apparatus, and method of manufacturing unit frame | Shuji Tanaka | 2010-06-08 |
| 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 |
| 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 | Takeo Suda, 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 |
| 7477856 | Method and apparatus for image forming capable of effectively preventing resonance of frequencies | Takuzi Yoneda, Hiroshi Ono, Masanori Kawasumi, Yuji Arai, Toshio Koike +5 more | 2009-01-13 |
| 7463852 | Image forming apparatus having a developer conveying system and associated methodology | Keiichi Yoshida, Yoshio Hattori, Shinichi Kawahara, Shuji Tanaka | 2008-12-09 |
| 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 |
| 7344615 | Method and apparatus for performing a charging process on an image carrying device | Masumi Sato, Hiroshi Yoshinaga, Yukiko Iwasaki, Hitoshi Ishibashi, Masami Hiramatsu +1 more | 2008-03-18 |
| 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, Tokuya Ojimi, Masanori Kawasumi, Takuzi Yoneda +6 more | 2008-02-19 |
| 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 | Takeo Suda, Hideki Zemba, Hisao Murayama | 2008-01-22 |
| 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 | Takeo Suda, Hideki Zemba, Hisao Murayama | 2006-03-07 |
| 6977022 | Method and apparatus for performing a charging process on an image carrying device | Masumi Sato, Hiroshi Yoshinaga, Yukiko Iwasaki, Hitoshi Ishibashi, Masami Hiramatsu +1 more | 2005-12-20 |
| 6788913 | Image forming apparatus method and developing device to obtain a stable image density | Katsuhiro Aoki | 2004-09-07 |
| 6778797 | Charging roller having elastic member | Masumi Sato, Yukiko Iwasaki, Hitoshi Ishibashi, Hiroshi Yoshinaga, Masami Hiramatsu | 2004-08-17 |