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Browse by Category: Main > Electrical & Energy
Class Information
Number: 399/227
Name: Electrophotography > Image formation > Development > Plural diverse (e.g., color) > Plural applicators single position > Rotary type
Description: Subject matter wherein the plurality of applicators revolve about a common axis.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8712292 Color image forming apparatus with contact control of process units Apr. 29, 2014
8688008 Electrophotographic image forming apparatus, developing apparatus, and coupling member Apr. 1, 2014
8682186 Image forming device comprising charging device having plural discharge portions Mar. 25, 2014
8670695 Image forming apparatus Mar. 11, 2014
8649707 Developing device and image forming device having an adjustable developing roll Feb. 11, 2014
8644718 Image forming apparatus having rotary developing unit, method for controlling, and storage medium Feb. 4, 2014
8630555 Printing apparatus and control method for printing apparatus Jan. 14, 2014
8626031 Image forming apparatus Jan. 7, 2014
8626016 Image forming apparatus Jan. 7, 2014
8626032 Image forming apparatus that sets a bias supplied to a developer carrying member Jan. 7, 2014
8620180 Process cartridge and developing cartridge Dec. 31, 2013
8600249 Image forming apparatus Dec. 3, 2013
8554114 Rotating-body restraining device and image forming method Oct. 8, 2013
8538315 Image forming apparatus Sep. 17, 2013
8498556 Developing device and image forming apparatus Jul. 30, 2013
8488997 Image forming apparatus controlling standby positions of developing devices Jul. 16, 2013
8483589 Developing device, developing cartridge, process cartridge and image forming apparatus Jul. 9, 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
8472825 Image forming apparatus Jun. 25, 2013
8472838 Electrophotographic image forming apparatus with spacing member for spacing components of the apparatus Jun. 25, 2013
8437669 Electrophotographic image forming apparatus, developing apparatus, and coupling member May. 7, 2013
8401442 Electrophotographic image forming apparatus, developing apparatus, and coupling member Mar. 19, 2013
8385782 Image forming apparatus Feb. 26, 2013
8369722 Image forming apparatus Feb. 5, 2013
8369748 Image forming apparatus with developing cartridge having engaging portion Feb. 5, 2013
8355652 Development cartridge and image forming apparatus Jan. 15, 2013
8355653 Development cartridge Jan. 15, 2013
8315533 Developing device and image-forming apparatus Nov. 20, 2012
8311458 Image forming apparatus having mechanism for preventing mixing of scattered toner between adjacent developing units Nov. 13, 2012
8306462 Rotor rotating apparatus, developing apparatus, and image forming apparatus Nov. 6, 2012
8270879 Electrophotographic image forming apparatus Sep. 18, 2012
8244160 Developing device and image forming apparatus Aug. 14, 2012
8244162 Image forming apparatus and detachable body Aug. 14, 2012
8224208 Image forming apparatus Jul. 17, 2012
8219005 Developing device, image forming apparatus and developer cartridge Jul. 10, 2012
8180258 Image forming apparatus with reduction of operation noise May. 15, 2012
8180248 Image forming apparatus May. 15, 2012
8170450 Color electrophotographic image forming apparatus that utilizes a rotatable rotary support member to support a plurality of developing devices May. 1, 2012
8155539 Image forming apparatus with electrostatic capacity detection Apr. 10, 2012
8155546 Image forming apparatus Apr. 10, 2012
8155564 Image forming apparatus Apr. 10, 2012
8150296 Color electrophotographic image forming apparatus with manually-operated unit Apr. 3, 2012
8095045 Rotary developing unit and toner supply container Jan. 10, 2012
8081906 Image forming apparatus wherein, when a rotary member is located at a reference position, a color developing device is located in a region extending from a position of a transparent developing Dec. 20, 2011
8045891 Rotary developing apparatus rotatably accommodating a plurality of developer units, developer unit and image forming apparatus including rotary developing apparatus Oct. 25, 2011
8032058 Electrophotographic image forming apparatus with developer cartridge lock member Oct. 4, 2011
8027618 Color electrophotographic image forming apparatus including a rotary drive transmission mechanism Sep. 27, 2011
8018605 Document copier printing a copy of an input sheet by retrieving an electronic document containing content of the input sheet Sep. 13, 2011
7991329 Developer apparatus, image forming apparatus and developing method Aug. 2, 2011
7965974 Image forming apparatus Jun. 21, 2011

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