Patent | Date |
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Image forming apparatus Grant 8,948,638 - Ishikura , et al. February 3, 2 | 2015-02-03 |
Electrophotographic image forming method and apparatus with a cover film supplying device Grant 8,483,598 - Enoki , et al. July 9, 2 | 2013-07-09 |
Image forming device and image forming apparatus Grant 8,376,494 - Hirota , et al. February 19, 2 | 2013-02-19 |
Image forming apparatus with developer passage amount control electrodes Grant 8,259,142 - Hirota , et al. September 4, 2 | 2012-09-04 |
Transfer-fixing devices with heating and temperature equalizing capabilities, and apparatuses and methods using the same Grant 8,200,135 - Fujita , et al. June 12, 2 | 2012-06-12 |
Image forming apparatus Grant 8,167,410 - Horike , et al. May 1, 2 | 2012-05-01 |
Image Forming Apparatus App 20120057891 - ISHIKURA; Yuji ;   et al. | 2012-03-08 |
Lubricant Applying Device, Image Forming Apparatus, Process Unit, And Solid Lubricant App 20110229232 - Kojima; Takeshi ;   et al. | 2011-09-22 |
Transfer fixing member, transfer fixing device and image forming apparatus Grant 7,970,325 - Suzuki , et al. June 28, 2 | 2011-06-28 |
Transfer-fixing device, image forming apparatus including the transfer-fixing device, and transfer-fixing method Grant 7,912,412 - Fujita , et al. March 22, 2 | 2011-03-22 |
Transfer-fixing device, image forming apparatus, and transfer-fixing method Grant 7,907,881 - Kayahara , et al. March 15, 2 | 2011-03-15 |
Image Forming Device And Image Forming Apparatus App 20110043589 - HIROTA; Tetsuro ;   et al. | 2011-02-24 |
Cleaning device, fixing device, and image forming apparatus Grant 7,869,752 - Kayahara , et al. January 11, 2 | 2011-01-11 |
Image transfer fixation apparatus and image formation apparatus Grant 7,856,201 - Takagaki , et al. December 21, 2 | 2010-12-21 |
Electrophotographic Image Forming Method And Apparatus App 20100278558 - ENOKI; Shigekazu ;   et al. | 2010-11-04 |
Image forming apparatus Grant 7,821,527 - Horike , et al. October 26, 2 | 2010-10-26 |
Direct image-recording device and image forming apparatus equipped therewith Grant 7,817,174 - Saitoh , et al. October 19, 2 | 2010-10-19 |
Process, toner, process cartridge and apparatus for developing a toner image Grant 7,790,343 - Suzuki , et al. September 7, 2 | 2010-09-07 |
Image Forming Apparatus With Developer Passage Amount Control Electrodes App 20100214364 - HIROTA; Tetsuro ;   et al. | 2010-08-26 |
Image forming apparatus Grant 7,711,300 - Nakafuji , et al. May 4, 2 | 2010-05-04 |
Image transfer device for image forming apparatus Grant 7,711,301 - Takemoto , et al. May 4, 2 | 2010-05-04 |
Direct Image-recording Device And Image Forming Apparatus Equipped Therewith App 20100104319 - SAITOH; Masanori ;   et al. | 2010-04-29 |
Image Forming Apparatus App 20100061751 - HORIKE; Masanori ;   et al. | 2010-03-11 |
Transfer device and image forming apparatus Grant 7,672,605 - Kayahara , et al. March 2, 2 | 2010-03-02 |
Transfer-fixing unit and image forming apparatus for enhanced image quality Grant 7,643,767 - Seto , et al. January 5, 2 | 2010-01-05 |
Method and apparatus for image forming capable of effectively performing a charging process Grant 7,630,659 - Uchitani , et al. December 8, 2 | 2009-12-08 |
Apparatus for detecting amount of toner deposit and controlling density of image, method of forming misalignment correction pattern, and apparatus for detecting and correcting misalignment of image Grant 7,610,004 - Kato , et al. October 27, 2 | 2009-10-27 |
Conductive member, and charging roller, process cartridge and image forming apparatus using same Grant 7,603,062 - Shimojo , et al. October 13, 2 | 2009-10-13 |
Charging member, process cartridge including the same, and image forming apparatus including the same Grant 7,555,243 - Satoh , et al. June 30, 2 | 2009-06-30 |
Image forming apparatus equipping improved transfer fixing apparatus Grant 7,551,882 - Seto , et al. June 23, 2 | 2009-06-23 |
Image transfer fixation apparatus and image formation apparatus App 20090116880 - Takagaki; Hiromitsu ;   et al. | 2009-05-07 |
Image Forming Apparatus App 20090041492 - Horike; Masanori ;   et al. | 2009-02-12 |
Transfer Fixing Member, Transfer Fixing Device And Image Forming Apparatus App 20090016786 - Suzuki; Kazumi ;   et al. | 2009-01-15 |
Cleaning Device, Fixing Device, And Image Forming Apparatus App 20090003898 - Kayahara; Shin ;   et al. | 2009-01-01 |
Transfer-fixing Device, Image Forming Apparatus, And Transfer-fixing Method App 20080219717 - KAYAHARA; Shin ;   et al. | 2008-09-11 |
Transfer-fixing device, image forming apparatus including the transfer-fixing device, and transfer-fixing method App 20080219718 - Fujita; Takashi ;   et al. | 2008-09-11 |
Transfer-fixing device, image forming apparatus, and transfer-fixing method App 20080199229 - Fujita; Takashi ;   et al. | 2008-08-21 |
Image Forming Apparatus App 20080069610 - NAKAFUJI; Atsushi ;   et al. | 2008-03-20 |
Image Forming Apparatus Equipping Improved Transfer Fixing Apparatus App 20080008505 - SETO; Takashi ;   et al. | 2008-01-10 |
Charging Member, Process Cartridge Including The Same, And Image Forming Apparatus Including The Same App 20080008499 - Satoh; Masahiko ;   et al. | 2008-01-10 |
Transfer Device And Image Forming Apparatus App 20070286628 - KAYAHARA; Shin ;   et al. | 2007-12-13 |
Image forming apparatus Grant 7,286,785 - Hashimoto , et al. October 23, 2 | 2007-10-23 |
Method for evaluating changes in resistance of electric resistance member and image forming apparatus using same Grant 7,280,792 - Sawai , et al. October 9, 2 | 2007-10-09 |
Process, Toner, Process Cartridge And Apparatus For Developing A Toner Image App 20070218386 - Suzuki; Kazumi ;   et al. | 2007-09-20 |
Transfer-fixing Unit And Image Forming Apparatus For Enhanced Image Quality App 20070212126 - Seto; Takashi ;   et al. | 2007-09-13 |
Image Transfer Device For Image Forming Apparatus App 20070212129 - TAKEMOTO; Takeshi ;   et al. | 2007-09-13 |
Apparatus For Detecting Amount Of Toner Deposit And Controlling Density Of Image, Method Of Forming Misalignment Correction Pattern, And Apparatus For Detecting And Correcting Misalignment Of Image App 20070134014 - KATO; Shinji ;   et al. | 2007-06-14 |
Apparatus for detecting amount of toner deposit and controlling density of image, method of forming misalignment correction pattern, and apparatus for detecting and correcting misalignment of image Grant 7,203,433 - Kato , et al. April 10, 2 | 2007-04-10 |
Conductive member, and charging roller, process cartridge and image forming apparatus using same App 20070065178 - Shimojo; Eiji ;   et al. | 2007-03-22 |
Method and apparatus for image forming capable of effectively preventing toner adhesion on a density sensor by generating an electric field according to a visible image Grant 7,162,170 - Kayahara January 9, 2 | 2007-01-09 |
Method and apparatus for image forming capable of effectively performing a charging process App 20060251438 - Uchitani; Takeshi ;   et al. | 2006-11-09 |
Image forming apparatus App 20060140665 - Hashimoto; Shunichi ;   et al. | 2006-06-29 |
Intermediate image transfer device for a color image forming apparatus Grant 7,003,238 - Yoshida , et al. February 21, 2 | 2006-02-21 |
Method and apparatus for image forming performing improved cleaning and discharging operation on image forming associated members Grant 6,990,309 - Kayahara , et al. January 24, 2 | 2006-01-24 |
Apparatus for detecting amount of toner deposit and controlling density of image, method of forming misalignment correction pattern, and apparatus for detecting and correcting misalignment of image App 20050147424 - Kato, Shinji ;   et al. | 2005-07-07 |
Image forming apparatus including an intermediate image transfer belt and high resistance contact member Grant 6,901,234 - Ogiyama , et al. May 31, 2 | 2005-05-31 |
Method and apparatus for image forming capable of effectively preventing toner adhesion on a density sensor by generating an electric field according to a visible image App 20050105927 - Kayahara, Shin | 2005-05-19 |
Method for evaluating changes in resistance of electric resistance member and image forming apparatus using same App 20050013636 - Sawai, Yuuji ;   et al. | 2005-01-20 |
Image forming apparatus having discharging device for discharging intermediate transfer device Grant 6,778,794 - Kayahara August 17, 2 | 2004-08-17 |
Intermediate image transfer type of color image forming apparatus App 20040136760 - Yoshida, Ken ;   et al. | 2004-07-15 |
Method and apparatus for image forming performing improved cleaning and discharging operations on image forming associated members Grant 6,701,118 - Kayahara , et al. March 2, 2 | 2004-03-02 |
Method and apparatus for forming an image with no degradation Grant 6,697,595 - Kawagoe , et al. February 24, 2 | 2004-02-24 |
Image forming apparatus including an intermediate image transfer belt App 20030219287 - Ogiyama, Hiromi ;   et al. | 2003-11-27 |
Method and apparatus for image forming performing improved cleaning and discharging operations on image forming associated members Grant 6,654,574 - Kayahara , et al. November 25, 2 | 2003-11-25 |
Method and apparatus for image forming performing improved cleaning and discharging operation on image forming associated members App 20030215269 - Kayahara, Shin ;   et al. | 2003-11-20 |
Method and apparatus for image forming performing improved cleaning and discharging operations on image forming associated members App 20030123911 - Kayahara, Shin ;   et al. | 2003-07-03 |
Method and apparatus for image forming performing improved cleaning and discharging operations on image forming associated members App 20030118378 - Kayahara, Shin ;   et al. | 2003-06-26 |
Image forming apparatus including discharging device for preventing re-attachment of residual toner to intermediate transfer element App 20030007806 - Kayahara, Shin | 2003-01-09 |
Method and apparatus for image forming performing improved cleaning and discharging operations on image forming associated members Grant 6,505,024 - Kayahara , et al. January 7, 2 | 2003-01-07 |
Method and apparatus for image forming performing improved cleaning and discharging operations on image forming associated members App 20020034405 - Kayahara, Shin ;   et al. | 2002-03-21 |
Method and apparatus for forming an image with no degradation App 20020034406 - Kawagoe, Katsuya ;   et al. | 2002-03-21 |
Method and apparatus for image forming performing improved cleaning and discharging operations on image forming associated members Grant 6,269,228 - Kayahara , et al. July 31, 2 | 2001-07-31 |
Image forming apparatus which prevents image quality deterioration due to plastic deformation Grant 6,061,543 - Kayahara , et al. May 9, 2 | 2000-05-09 |