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Class Information
Number: 399/119
Name: Electrophotography > Having particular structure > Modular or displaceable > Developing unit
Description: Subject matter wherein the removable or replaceable unit applies toner to a latent image to render the image visible.










Sub-classes under this class:

Class Number Class Name Patents
399/120 New and waste toner container 466


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
8712286 Developing cartridge Apr. 29, 2014
8712293 Toner cartridge and image forming apparatus including the same Apr. 29, 2014
8712284 Process cartridge and electrophotographic image forming apparatus Apr. 29, 2014
8706005 Process cartridge and developing cartridge Apr. 22, 2014
8693917 Image forming apparatus having interlocking mechanism configured to interlock developing-section displacement mechanism and photosensitive-member displacement mechanism with cover Apr. 8, 2014
8693923 Developing apparatus Apr. 8, 2014
8693927 Developer case and image forming apparatus to which developer case is applied Apr. 8, 2014
8688004 Process cartridge, electrophotographic image forming apparatus and electrophotographic photosensitive drum unit Apr. 1, 2014
8682216 Developing cartridge and process cartridge for stably rotating developing roller Mar. 25, 2014
8676086 Roller cover and cartridge Mar. 18, 2014
8670690 Process cartridge and image forming apparatus having the same Mar. 11, 2014
8670691 Image forming apparatus Mar. 11, 2014
8666277 Developer supply container Mar. 4, 2014
8666281 Process cartridge and developing device Mar. 4, 2014
8666282 Image formation apparatus and developer cartridge Mar. 4, 2014
8655223 Developer cartridge with counting mechanism Feb. 18, 2014
8655232 Processing cartridge of an electrophotographic image forming system Feb. 18, 2014
8649713 Toner container, image forming apparatus including same, and connecting structure for connecting toner container and image forming apparatus Feb. 11, 2014
8649705 Developing apparatus and image forming apparatus Feb. 11, 2014
8649700 Image forming apparatus Feb. 11, 2014
8643690 Developer cartridge for image-forming device Feb. 4, 2014
8639150 Development device and image forming apparatus Jan. 28, 2014
8639156 Image-forming device having holder unit, in which toner box is detachably mounted Jan. 28, 2014
8639158 Electrophotographic image forming apparatus Jan. 28, 2014
8639163 Toner box having shutter and developing device equipped with the toner box Jan. 28, 2014
8634743 Detachable body and image forming apparatus Jan. 21, 2014
8630566 Image forming apparatus and developer container therefor Jan. 14, 2014
8626016 Image forming apparatus Jan. 7, 2014
8626024 Method for controlling the distance between the photosensitive member and the developing member in a toner cartridge, and the device thereof Jan. 7, 2014
8620180 Process cartridge and developing cartridge Dec. 31, 2013
8611788 Image forming apparatus Dec. 17, 2013
8611789 Image forming apparatus including demountable developing unit Dec. 17, 2013
8606150 Toner bearer, and developing device and image forming apparatus using same Dec. 10, 2013
8606146 Image forming apparatus and structure for installing consumables thereof Dec. 10, 2013
8606140 Image forming device having shutter driving member Dec. 10, 2013
8605300 Image forming apparatus with turnable image reading part and suspending mechanism Dec. 10, 2013
8600244 New/used cartridge detection Dec. 3, 2013
8600264 Developer cartridge Dec. 3, 2013
8600267 Developer cartridge and developing unit provided with the same Dec. 3, 2013
8600268 Developing device and image forming apparatus Dec. 3, 2013
8594526 Developing cartridge and image forming apparatus Nov. 26, 2013
8588664 Developing cartridge Nov. 19, 2013
8588644 Developing device Nov. 19, 2013
8583009 Developing cartridge including detection system for determining initial developer amount Nov. 12, 2013
8577245 Image forming apparatus Nov. 5, 2013
8577263 Developing device Nov. 5, 2013
8571434 Image forming apparatus having detachable developing device Oct. 29, 2013
8571440 Image forming apparatus with cartridge supporting member and preventing member for preventing movement of cartridge supporting member Oct. 29, 2013
8571441 Image forming apparatus and developing agent cartridge Oct. 29, 2013
8565651 Toner supply device and image forming apparatus Oct. 22, 2013

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18










 
 
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