Patent | Date |
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Image forming device Grant 8,849,142 - Sugiyama , et al. September 30, 2 | 2014-09-30 |
Toner replenishing device capable of effectively softening toner and image forming apparatus with toner replenishing device Grant 8,649,692 - Sukesako , et al. February 11, 2 | 2014-02-11 |
Image Forming Device App 20120315060 - Sugiyama; Hiroyuki ;   et al. | 2012-12-13 |
Toner Replenishing Device Capable Of Effectively Softening Toner And Image Forming Apparatus With Toner Replenishing Device App 20120099878 - SUKESAKO; Masaki ;   et al. | 2012-04-26 |
Method and apparatus for image forming capable of effectively preventing resonance of frequencies Grant 7,477,856 - Yoneda , et al. January 13, 2 | 2009-01-13 |
Cleaning unit and image forming apparatus having multiple cleaning blades Grant 7,272,354 - Murakami , et al. September 18, 2 | 2007-09-18 |
Charging device, and process cartridge and image forming apparatus using the charging device Grant 7,266,324 - Yanagida , et al. September 4, 2 | 2007-09-04 |
Charging device, and process cartridge and image forming apparatus using the charging device App 20070014588 - Yanagida; Masato ;   et al. | 2007-01-18 |
Charging device, and process cartridge and image forming apparatus using the charging device Grant 7,139,504 - Yanagida , et al. November 21, 2 | 2006-11-21 |
Cleaning unit, process cartridge, image forming apparatus, and toner App 20060216085 - Murakami; Eisaku ;   et al. | 2006-09-28 |
Cleaning unit, process cartridge, and image forming apparatus Grant 7,110,696 - Murakami , et al. September 19, 2 | 2006-09-19 |
Developing device using a two-ingredient type developer and image forming apparatus including the same Grant 6,873,814 - Ohjimi , et al. March 29, 2 | 2005-03-29 |
Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing device Grant 6,856,774 - Sampe , et al. February 15, 2 | 2005-02-15 |
Charging device, and process cartridge and image forming apparatus using the charging device App 20040213597 - Yanagida, Masato ;   et al. | 2004-10-28 |
Cleaning unit, process cartridge, image forming apparatus, and toner App 20040136763 - Murakami, Eisaku ;   et al. | 2004-07-15 |
Developing apparatus, image formation apparatus, and process cartridge Grant 6,687,474 - Yamada , et al. February 3, 2 | 2004-02-03 |
Developing device using a two-ingredient type developer and image forming apparatus including the same App 20030108362 - Ohjimi, Tokuya ;   et al. | 2003-06-12 |
Developing device for preventing toner scattering and carrier falling, and an image forming apparatus including the developing device App 20030099481 - Sampe, Atsushi ;   et al. | 2003-05-29 |
Method and apparatus for reducing adhesion of carrier to image bearing member Grant 6,507,718 - Ohjimi , et al. January 14, 2 | 2003-01-14 |
Developing apparatus, image formation apparatus, and process cartridge App 20030002884 - Yamada, Masahiko ;   et al. | 2003-01-02 |
Method and apparatus for reducing adhesion of carrier to image bearing member App 20020051649 - Ohjimi, Tokuya ;   et al. | 2002-05-02 |
Image forming apparatus and developing device with improved self toner density control Grant 6,337,957 - Tamaki , et al. January 8, 2 | 2002-01-08 |