Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8657104 | Belt positioning system, multi-roller assembly and image forming apparatus employing same | Akira Asaoka, Kazuchika Saeki, Yuuji Sawai | 2014-02-25 |
| 8600256 | Cleaning device and image forming apparatus including same | Yuu Sakakibara, Kenji Sugiura, Naomi Sugimoto, Hisashi Kikuchi, Osamu Naruse | 2013-12-03 |
| 8548350 | Cleaning device and image forming apparatus | Kenji Sugiura, Osamu Naruse, Naomi Sugimoto, Hisashi Kikuchi, Yuu Sakakibara | 2013-10-01 |
| 8483605 | Cleaning device and image forming apparatus including same | Akira Asaoka, Takaya Muraishi, Kenji Sugiura, Hisashi Kikuchi, Yuu Sakakibara | 2013-07-09 |
| 8437657 | Cleaning apparatus and image forming apparatus | Hisashi Kikuchi, Kenji Sugiura, Osamu Naruse, Naomi Sugimoto, Yuu Sakakibara | 2013-05-07 |
| 8433213 | Cleaning device and image forming apparatus | Kenji Sugiura, Osamu Naruse, Naomi Sugimoto, Hisashi Kikuchi, Yuu Sakakibara | 2013-04-30 |
| 8275301 | Cleaning device, method of manufacturing the cleaning device, and process unit and image forming apparatus using same | Kazuhiko Watanabe, Takeshi Saitoh | 2012-09-25 |
| 8131199 | Cleaning device for image forming apparatus, and process cartridge having cleaning device | Kazuhiko Watanabe | 2012-03-06 |
| 7974565 | Cleaning device for image forming apparatus and process cartridge provided therewith | Kazuhiko Watanabe | 2011-07-05 |
| 7949281 | Process cartridge and image forming apparatus for effectively cleaning a charging roller at predetermined intervals | Takaya Muraishi, Atsushi Sampe, Takeshi Shintani, Ken Amemiya, Hiroshi Ono | 2011-05-24 |
| 7899382 | Lubricant supplier, process cartridge including same, and image forming apparatus including same | Kazuhiko Watanabe, Takeshi Saitoh | 2011-03-01 |
| 7894758 | Image forming apparatus, image forming device charging device and lubricant supplying device constitution | Takeshi Shintani, Hiroshi Ono, Satoshi Hatori, Kaoru Yoshino, Akio Kosuge +3 more | 2011-02-22 |
| 7711308 | Cleaning device, process cartridge, and image forming apparatus | Takeshi Saitoh, Kazuhiko Watanabe, Ken Amemiya, Keiji Okamoto | 2010-05-04 |
| 7672635 | Method and apparatus for image forming and effectively applying lubricant to an image bearing member | Toshio Koike, Ken Amemiya, Masanori Kawasumi, Yuji Arai, Tokuya Ojimi +5 more | 2010-03-02 |
| 7376380 | Image forming apparatus, process cartridge, and toner | Toshio Koike, Ken Amemiya, Hiromichi Ninomiya | 2008-05-20 |
| 7373101 | Method and apparatus for image forming and effectively applying lubricant to an image bearing member | Toshio Koike, Ken Amemiya, Masanori Kawasumi, Yuji Arai, Tokuya Ojimi +5 more | 2008-05-13 |