Inventor
TSUZUKI MASATOMO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “TSUZUKI MASATOMO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
8 patentsUS7890012B2Feb 15, 2011
Process cartridge having a drum, a developing roller, and first and second frames, and electrophotographic image forming apparatus on which such process cartridge is mountable
CANON KK60 citations98
US7088939B2Aug 8, 2006
Process cartridge and electrophotographic image forming apparatus
CANON KK80 citations98
US7072603B2Jul 4, 2006
Process cartridge and holding member
CANON KK106 citations98
US7272339B2Sep 18, 2007
Process cartridge including first and second frames and separating member moving the second frame to a separated position and image forming apparatus detachably mounting the cartridge
CANON KK58 citations96
US8862015B2Oct 14, 2014
Image forming apparatus with urging member that establishes electrical connection with a cartridge
CANON KK18 citations92
US7856192B2Dec 21, 2010
Process cartridge and electrophotographic image forming apparatus
CANON KK44 citations92
US7778570B2Aug 17, 2010
Image forming apparatus
CANON KK21 citations92
USD631092SJan 18, 2011
Process cartridge
CANON KK15 citations84