Inventor
YUMINAMOCHI TAKAYASU
JP22 patents
Patents
22 patentsUS5682576AOct 28, 1997
Fixing device
CANON KK81 citations96
US5253022AOct 12, 1993
Image forming apparatus
CANON KK62 citations96
US5179397AJan 12, 1993
Image forming apparatus with constant voltage and constant current control
CANON KK65 citations96
US6347211B2Feb 12, 2002
Fixing apparatus preventing leakage of electric current from inner surface of fixing roller
CANON KK34 citations93
US6005594ADec 21, 1999
Fixing apparatus having a fixing roller with a non-adhesive surface layer
CANON KK30 citations93
US5153654AOct 6, 1992
Image forming apparatus having transfer member for carrying transfer material
CANON KK38 citations93
US6493534B2Dec 10, 2002
Sheet conveying apparatus and image forming apparatus
CANON KK28 citations92
US6438348B2Aug 20, 2002
Fixing apparatus with first and second heating rotation members having a potential difference
CANON KK51 citations92
US6266495B1Jul 24, 2001
Image forming apparatus using transfer roller having low resistance unevenness in circumferential direction
CANON KK30 citations92
US6173135B1Jan 9, 2001
Image forming apparatus with a bias control feature
CANON KK41 citations92
US6052549AApr 18, 2000
Charging roller, and process cartridge and image-forming apparatus employing the roller
CANON KK20 citations92
US5926683AJul 20, 1999
Image forming apparatus with two-potential-level electricity removing member
CANON KK22 citations92
US5235386AAug 10, 1993
Charging device having charging member, process cartridge and image forming apparatus
CANON KK47 citations92
US5223900AJun 29, 1993
Transfer roller with a resistance determined in accordance with its peripheral speed
CANON KK30 citations92
US5177549AJan 5, 1993
Image forming apparatus supplied with controllable bias voltage
CANON KK45 citations92
US5159393AOct 27, 1992
Image forming apparatus having transfer device and image bearing member traveling at different speeds
CANON KK37 citations92
US7280798B2Oct 9, 2007
Image forming apparatus with conveying device urging a recording material toward a charge eliminating member
CANON KK12 citations84
US6587662B2Jul 1, 2003
Image fixing apparatus having separating claw
CANON KK17 citations84
US6496661B2Dec 17, 2002
Sheet attachment detecting apparatus, fixing apparatus and image forming apparatus
CANON KK17 citations84
US5157442AOct 20, 1992
Image forming apparatus
CANON KK4 citations63
US6618576B2Sep 9, 2003
Image forming apparatus
CANON KK6 citations62
US10310433B2Jun 4, 2019
Image forming apparatus that controls a temperature of at least one of a rotating member based on a wearing amount of the rotating member and a pressing member based on a hardness change amount of the pressing member
CANON KK0 citations42