Inventor
FUJII HARUO
JP29 patents
⚠️ This page may combine multiple inventors who share the name “FUJII HARUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
27 patentsUS4491855AJan 1, 1985
Image recording method and apparatus
CANON KK113 citations96
US4478510AOct 23, 1984
Cleaning device for modulation control means
CANON KK73 citations96
US5666588ASep 9, 1997
Image forming apparatus for performing image density control
CANON KK21 citations93
US5974281AOct 26, 1999
Image forming apparatus using intermediate transfer member
CANON KK22 citations92
US5873010AFeb 16, 1999
Image forming apparatus for performing correction control, based on density of toner image
CANON KK22 citations92
US5678130AOct 14, 1997
Developing apparatus including a control function for applied periodic developing bias field
CANON KK32 citations92
US5559591ASep 24, 1996
Image forming apparatus with function of requesting exchange of fixing unit
CANON KK20 citations92
US5523829AJun 4, 1996
Image forming apparatus having recording material carrying member
CANON KK27 citations92
US5508796AApr 16, 1996
Image forming apparatus with select relation among distances in recording material conveyance path
CANON KK32 citations92
US5471284ANov 28, 1995
Image forming apparatus having toner depletion detection feature
CANON KK28 citations92
US5414493AMay 9, 1995
Image forming apparatus
CANON KK39 citations92
US5390012AFeb 14, 1995
Image forming apparatus having transfer material carrying member
CANON KK28 citations92
US5307127AApr 26, 1994
Developing apparatus using one component toner with improved flowability
CANON KK35 citations92
US5229821AJul 20, 1993
Process cartridge with toner depletion detection feature and image forming apparatus using the same
CANON KK24 citations92
US6760051B2Jul 6, 2004
Image forming apparatus with switching elements
CANON KK19 citations90
US4739348AApr 19, 1988
Recording head assembly using magnetic toner and image forming apparatus using the same
CANON KK19 citations82
US4682880AJul 28, 1987
Multicolor image recording method and device utilizing a single image transfer to the recording material
CANON KK23 citations82
US5543900AAug 6, 1996
Image forming apparatus which reduces toner fusion on an image bearing member
CANON KK11 citations74
US5032852AJul 16, 1991
Image forming apparatus
CANON KK10 citations74
US4766468AAug 23, 1988
Developing method and apparatus for a photocopier
CANON KK14 citations74
US4658275AApr 14, 1987
Image forming apparatus
CANON KK18 citations74
US4573061AFeb 25, 1986
Image recording apparatus
CANON KK7 citations74
US4502061AFeb 26, 1985
Image forming apparatus
CANON KK9 citations74
US5666597ASep 9, 1997
Image forming apparatus with delayed discharge by discharge means
CANON KK12 citations73
US6101286AAug 8, 2000
Image processing apparatus and method having improved color-boundary mixing
CANON KK5 citations63
US4590496AMay 20, 1986
Image recording apparatus
CANON KK3 citations63
US5548381AAug 20, 1996
Developing apparatus forming alternating electric field between image bearing member and toner carrying member
CANON KK6 citations62