Inventor
HASEGAWA HIROTO
JP29 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA HIROTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
27 patentsUS5682576AOct 28, 1997
Fixing device
CANON KK81 citations96
US5253022AOct 12, 1993
Image forming apparatus
CANON KK62 citations96
US5202729AApr 13, 1993
Developing apparatus having a coated developing roller
CANON KK64 citations96
US5179397AJan 12, 1993
Image forming apparatus with constant voltage and constant current control
CANON KK65 citations96
US6493521B2Dec 10, 2002
Image forming apparatus
CANON KK33 citations93
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
US7518089B2Apr 14, 2009
Image heating apparatus including flexible metallic sleeve, and heater used for this apparatus
CANON KK29 citations92
US7251447B2Jul 31, 2007
Image heating apparatus and conveying roller for use therein
CANON KK38 citations92
US7190914B2Mar 13, 2007
Image heating apparatus having heater for externally heating fixing roller
CANON KK25 citations92
US6915099B2Jul 5, 2005
Heat fixing apparatus
CANON KK24 citations92
US6701102B2Mar 2, 2004
Method and apparatus for controlling the temperature in a fixing device of an image forming apparatus
CANON KK35 citations92
US6108500AAug 22, 2000
Image forming apparatus
CANON KK19 citations92
US6085058AJul 4, 2000
Image forming apparatus having transfer rotary member with surface friction greater than that of image bearing member
CANON KK34 citations92
US5519472AMay 21, 1996
Developing apparatus using elastic blade
CANON KK46 citations92
US5321482AJun 14, 1994
Process cartridge and image forming apparatus including a lubricant provided on a cleaning member for cleaning an image bearing member
CANON KK22 citations92
US5286917AFeb 15, 1994
Apparatus for developing electrostatic latent image and developing roller therefor
CANON KK34 citations92
US5235386AAug 10, 1993
Charging device having charging member, process cartridge and image forming apparatus
CANON KK47 citations92
US5177537AJan 5, 1993
Developing apparatus with elastic regulating member urged to a developer carrying member
CANON KK42 citations92
US5177549AJan 5, 1993
Image forming apparatus supplied with controllable bias voltage
CANON KK45 citations92
US6075228AJun 13, 2000
Image heating device with bimetal thermoprotector
CANON KK47 citations91
US5991555ANov 23, 1999
Image forming apparatus
CANON KK18 citations84
US4965747AOct 23, 1990
Image forming apparatus
CANON KK6 citations74
US5589924ADec 31, 1996
Electrophotographic image forming system
CANON KK9 citations73
US5157442AOct 20, 1992
Image forming apparatus
CANON KK4 citations63
US12210301B2Jan 28, 2025
Image forming apparatus
CANON KK0 citations52