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Browse by Category: Main > Electrical & Energy
Class Information
Number: 399/112
Name: Electrophotography > Having particular structure > Modular or displaceable > Process cartridge unit > Color
Description: Subject matter wherein the process cartridge unit is capable of producing a copy that has more than one color.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8712283 Image forming apparatus Apr. 29, 2014
8706004 Image forming apparatus having toner cartridge with movable shutter Apr. 22, 2014
8666278 Image forming apparatus having a door path regulating member Mar. 4, 2014
8666282 Image formation apparatus and developer cartridge Mar. 4, 2014
8655218 Image forming apparatus with at least one channel for ensuring air flow Feb. 18, 2014
8644728 Unit frame having grip part Feb. 4, 2014
8639159 Color electrophotographic image forming apparatus Jan. 28, 2014
8639158 Electrophotographic image forming apparatus Jan. 28, 2014
8639156 Image-forming device having holder unit, in which toner box is detachably mounted Jan. 28, 2014
8611786 Image forming apparatus and process cartridge Dec. 17, 2013
8606140 Image forming device having shutter driving member Dec. 10, 2013
8606143 Electrophotographic image forming apparatus with contacting and spacing member Dec. 10, 2013
8571440 Image forming apparatus with cartridge supporting member and preventing member for preventing movement of cartridge supporting member Oct. 29, 2013
8565641 Image forming apparatus having movable member including pivoting member for supporting developing cartridge Oct. 22, 2013
8559846 Photosensitive-member unit and image forming apparatus Oct. 15, 2013
8548354 Process cartridge including developing roller and electrophotographic photosensitive member that can be contacted to and spaced from each other Oct. 1, 2013
8532521 Image forming apparatus having waste toner box Sep. 10, 2013
8483588 Image forming apparatus, image forming cartridge supporter, and image forming unit Jul. 9, 2013
8483594 Image forming apparatus with cartridge supporting member and members for preventing movement of cartridge supporting member Jul. 9, 2013
8477367 System and method for selectively printing color content of a page with a reduced color gamut and billing based on printed content Jul. 2, 2013
8478161 Electrophotographic image forming apparatus with locking member for spacing components of the apparatus and preventing movement of components of the apparatus Jul. 2, 2013
8467101 Image forming apparatus for adjusting dot size Jun. 18, 2013
8467701 Color electrophotographic image forming apparatus Jun. 18, 2013
8467703 Image forming device having detachable developing device unit Jun. 18, 2013
8463158 Tandem photosensitive-member unit having grip part Jun. 11, 2013
8463156 Image forming apparatus with movable cartridge supporting member Jun. 11, 2013
8457523 Image forming apparatus having toner cartridge with movable shutter Jun. 4, 2013
8442412 Electrophotographic color image forming apparatus carrying process cartridges on a movable member May. 14, 2013
8417147 Image forming apparatus with translation cam member Apr. 9, 2013
8417148 Image forming apparatus and image forming method Apr. 9, 2013
8412070 Electrophotographic image forming apparatus including a cartridge mounting feature Apr. 2, 2013
8406657 Color electrophotographic image forming apparatus Mar. 26, 2013
8401418 Image forming apparatus Mar. 19, 2013
8380103 Image forming apparatus having photosensitive member unit that moves between an outer position and an operational position Feb. 19, 2013
8374525 Image forming apparatus having pivoting member Feb. 12, 2013
8364056 Image forming device having cleaning member for cleaning belt Jan. 29, 2013
8358944 Image forming apparatus and method for print control Jan. 22, 2013
8358954 Image forming apparatus with openable and movable members Jan. 22, 2013
8301059 Image formation apparatus and developer cartridge Oct. 30, 2012
8290393 Image forming apparatus having waste toner box Oct. 16, 2012
8280279 Process cartridge with first, second, and third portions-to-be-positioned by corresponding portions of image forming apparatus Oct. 2, 2012
8280280 Developer cartridge Oct. 2, 2012
8270867 Image forming apparatus and process cartridge Sep. 18, 2012
8265521 Tandem photosensitive-member unit having grip part Sep. 11, 2012
8260173 Color electrophotographic image forming apparatus Sep. 4, 2012
8249482 Image forming apparatus, image forming cartridge supporter, and image forming unit Aug. 21, 2012
8238765 Fitting structure for process cartridges and image forming apparatus body, and image forming apparatus having this structure Aug. 7, 2012
8204403 Two-color IOI drum module enabling N-color monochrome, highlight, full color, phototone color and extended color architectures Jun. 19, 2012
8175486 Image forming apparatus having body-side contacts and unit-side contacts May. 8, 2012
8175487 Electrophotographic color image forming apparatus carrying process cartridges on a movable member May. 8, 2012

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