Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus

Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus

US Patent 8139987 · Granted Mar 20, 2012

Estimated economic value: $153,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Metal plate and method of producing tubular body2022
Holding mechanism and image forming apparatus2020
Image forming apparatus2015
Developer supplying cartridge, developer receiving cartridge, process cartridge,2013
Developer supplying cartridge, developer receiving cartridge, process cartridge,2011
Image forming apparatus with an image bearing member that rotates with the same 2011
Developer supplying cartridge, developer receiving cartridge, process cartridge,2010
Image forming apparatus including two toner accomodation portions2010
Developer supplying cartridge, developer receiving cartridge, process cartridge,2010
Image forming apparatus having an auxiliary driving means which transmits a rest2010
Developer supplying cartridge, developer receiving cartridge, process cartridge,2009
Developer supplying cartridge, developer receiving cartridge, process cartridge,2009