Inventor
KUNISHI TSUYOSHI
JP17 patents
Patents
17 patentsUS5987275ANov 16, 1999
Fixing apparatus with power control based on temperature gradient
CANON KK25 citations92
US5671462ASep 23, 1997
Fixing device having a power supply control element for controlling a temperature of a heat member
CANON KK40 citations92
US5790917AAug 4, 1998
Developing device having a residual toner amount discrimination feature and image forming apparatus using same
CANON KK32 citations91
US5907739AMay 25, 1999
Image forming apparatus
CANON KK23 citations90
US5760930AJun 2, 1998
Electrophotographic image forming apparatus with density regulating mechanism
CANON KK17 citations83
US5677774AOct 14, 1997
Image processing apparatus for inputting and processing plural types of image signals
CANON KK5 citations74
US6226108B1May 1, 2001
Image processing apparatus and method for reproducing high quality image in low-density portion
CANON KK7 citations73
US5991557ANov 23, 1999
Image forming apparatus having a charging member with plural charging modes
CANON KK10 citations73
US4992831AFeb 12, 1991
Image forming apparatus with plural developing devices
CANON KK8 citations73
US5771314AJun 23, 1998
Image processing apparatus for inputting and processing plural types of image signals
CANON KK2 citations63
US6501492B1Dec 31, 2002
Image forming apparatus for outputting image in response to digital image signal
CANON KK2 citations62
US5790918AAug 4, 1998
Image forming apparatus and related method of image forming
CANON KK5 citations62
US5563645AOct 8, 1996
Electrophotographic image forming method of digital type having automatic image quality setting mechanism
CANON KK2 citations62
US5726759AMar 10, 1998
Image forming apparatus
CANON KK5 citations61
US6636719B2Oct 21, 2003
Image forming apparatus with vibration-caused image defect prevention feature
CANON KK2 citations60
US6917776B2Jul 12, 2005
Discharge wire, method of manufacturing discharge wire and electrification device
CANON KK1 citations51
US6605165B2Aug 12, 2003
Method of manufacturing discharge wire
CANON KK1 citations51