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Browse by Category: Main > Electrical & Energy
Class Information
Number: 399/113
Name: Electrophotography > Having particular structure > Modular or displaceable > Process cartridge unit > Having subunit separation
Description: Subject matter wherein the process cartridge is designed or arranged to be disassembled or separated into component parts.










Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8706005 Process cartridge and developing cartridge Apr. 22, 2014
8706003 Image forming device including process unit provided with handle Apr. 22, 2014
8693914 Developing cartridge Apr. 8, 2014
8687994 Cartridge with roller shaft having an exposed electroconductive portion Apr. 1, 2014
8676085 Dismounting and mounting methods for coupling and electrophotogphaphic photosensitive drum unit Mar. 18, 2014
8666280 Image forming apparatus Mar. 4, 2014
8666281 Process cartridge and developing device Mar. 4, 2014
8644730 Process cartridge Feb. 4, 2014
8639160 Process cartridge and image forming apparatus Jan. 28, 2014
8639158 Electrophotographic image forming apparatus Jan. 28, 2014
8626025 Electrophotographic image forming apparatus Jan. 7, 2014
8610910 Multi-function apparatus Dec. 17, 2013
8611787 Process unit Dec. 17, 2013
8583005 Process cartridge and image forming apparatus Nov. 12, 2013
8582999 Process cartridge and electrophotographic apparatus having electrical connection Nov. 12, 2013
8577263 Developing device Nov. 5, 2013
8577260 Fixing apparatus and image forming apparatus Nov. 5, 2013
8577257 Process unit and image forming apparatus including same Nov. 5, 2013
8577252 Process cartridge and disassembling method of the process cartridge Nov. 5, 2013
8565640 Dismounting and mounting methods for coupling and electrophotographic photosensitive drum unit Oct. 22, 2013
8565641 Image forming apparatus having movable member including pivoting member for supporting developing cartridge Oct. 22, 2013
8559847 Imaging unit and image forming apparatus including connecting development device and drum cartridge Oct. 15, 2013
8543034 Electrophotographic color image forming apparatus and cartridge Sep. 24, 2013
8526841 Process cartridge and electrophotographic image forming apparatus Sep. 3, 2013
8509649 Laser printer toner cartridge seal and method Aug. 13, 2013
8509650 Electrophotographic image forming apparatus Aug. 13, 2013
8483595 Image forming device and cartridge Jul. 9, 2013
8483588 Image forming apparatus, image forming cartridge supporter, and image forming unit Jul. 9, 2013
8478159 Image forming apparatus with a vibration prevention member Jul. 2, 2013
8478163 Image forming device, toner cartridge, developer cartridge, and image bearing member cartridge Jul. 2, 2013
8472834 Image forming apparatus Jun. 25, 2013
8467703 Image forming device having detachable developing device unit Jun. 18, 2013
8457525 Process cartridge having a drum cartridge and a developing cartridge configured to be movably attached to the drum cartridge Jun. 4, 2013
8457524 Developing cartridge, image forming apparatus, and method of mounting/demounting developing cartridge to/from image forming apparatus Jun. 4, 2013
8457519 Developing apparatus having a spacer and a leakage preventer Jun. 4, 2013
8452208 Electrophotographic image forming apparatus May. 28, 2013
8428490 Color electrophotographic image forming apparatus Apr. 23, 2013
8428489 Image forming apparatus component positioning mechanism Apr. 23, 2013
8422911 Retaining clip for printer cartridge Apr. 16, 2013
8417130 Image forming device having process unit that can be pulled out thereof Apr. 9, 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
8406656 Dismounting and mounting methods for coupling and electrophotographic photosensitive drum unit Mar. 26, 2013
8406655 Image-forming device capable of positioning developing unit and developer cartridge precisely Mar. 26, 2013
8401424 Process cartridge and assemblying, disassemblying remanufacturing method therefor Mar. 19, 2013
8391747 Process cartridge and image forming apparatus having the same Mar. 5, 2013
8391751 Imaging unit and image formation apparatus provided with the same Mar. 5, 2013
8374524 Retaining clip for printer cartridge Feb. 12, 2013

1 2 3 4 5 6 7 8 9 10










 
 
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