Inventor
TSUCHIYA YOSHIRO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “TSUCHIYA YOSHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
18 patentsUS6151459ANov 21, 2000
Development cartridge and image forming apparatus
CANON KK124 citations98
US6084622AJul 4, 2000
Frame structure and an image forming apparatus using such a frame structure
CANON KK171 citations98
US6101352AAug 8, 2000
Developing cartridge for developing an electrostatic image formed on an image bearing member with toner and being detachably mountable to a main assembly of an image forming apparatus
CANON KK79 citations96
US6016408AJan 18, 2000
Developer cartridge for developing a latent image detachably mountable to a main assembly of an image forming apparatus
CANON KK83 citations96
US5634178AMay 27, 1997
Gear unit, image forming apparatus and gear unit mounting method
CANON KK79 citations96
US5561496AOct 1, 1996
Image forming apparatus, assembling method of image forming apparatus, and mounting method of outer casing
CANON KK52 citations96
US5559581ASep 24, 1996
Image forming apparatus with helical gear drive train
CANON KK56 citations96
US5091754AFeb 25, 1992
Image forming apparatus comprising lateral movement means
CANON KK79 citations95
US5787323AJul 28, 1998
Image forming apparatus having a detachably mountable process cartridge
CANON KK46 citations92
US5621451AApr 15, 1997
Image forming apparatus
CANON KK27 citations92
US5432590AJul 11, 1995
Image forming apparatus with rotatable member press-contacted to image bearing member
CANON KK38 citations92
US5159393AOct 27, 1992
Image forming apparatus having transfer device and image bearing member traveling at different speeds
CANON KK37 citations92
US5070366ADec 3, 1991
Image forming apparatus featuring a constant contact-pressure drive
CANON KK46 citations92
US5115281AMay 19, 1992
Image forming apparatus with plural forming units
CANON KK36 citations91
US6836641B2Dec 28, 2004
Image forming apparatus and image forming method
CANON KK13 citations84
US5956546ASep 21, 1999
Electrophotographic image forming apparatus having first and second mounting means to allow smooth movement of a developing roller
CANON KK15 citations74
US6947701B2Sep 20, 2005
Image forming apparatus and image forming method
CANON KK6 citations73
US5384619AJan 24, 1995
Image forming apparatus having re-feeding unit
CANON KK19 citations70