Inventor
NAKAHATA KIMIO
JP46 patents
Patents
46 patentsUS5450180ASep 12, 1995
Image forming apparatus having constant current and voltage control in the charging and transfer regions
CANON KK68 citations96
US5438398AAug 1, 1995
Image forming apparatus with intermediate transfer member
CANON KK72 citations96
US5179397AJan 12, 1993
Image forming apparatus with constant voltage and constant current control
CANON KK65 citations96
US5084733AJan 28, 1992
Developing apparatus having developer layer regulation means
CANON KK55 citations96
US5010370AApr 23, 1991
Transfer apparatus and image bearing apparatus using same having transfer means for contacting a backside of a transfer material
CANON KK30 citations93
US4958187ASep 18, 1990
Image forming apparatus for scanning both sides of an original and producing a duplex copy
CANON KK54 citations93
US4860048AAug 22, 1989
Image forming apparatus
CANON KK28 citations93
US4610531ASep 9, 1986
Developing method and apparatus
CANON KK33 citations93
US4557582ADec 10, 1985
Magnet roll
CANON KK34 citations93
US4385829AMay 31, 1983
Image developing method and device therefor
CANON KK33 citations93
US4380966AApr 26, 1983
Development apparatus
CANON KK32 citations93
US4368971AJan 18, 1983
Developing device
CANON KK39 citations93
US4341457AJul 27, 1982
Electrophotographic apparatus including an electrostatic separation device
CANON KK30 citations93
US4030447AJun 21, 1977
Developing device
CANON KK34 citations93
US5253024AOct 12, 1993
Fixing apparatus with rectifier element
CANON KK41 citations92
US5159393AOct 27, 1992
Image forming apparatus having transfer device and image bearing member traveling at different speeds
CANON KK37 citations92
US5151736ASep 29, 1992
Image forming apparatus with controlled transfer voltage
CANON KK25 citations92
US5034777AJul 23, 1991
Transferring device having charging device with double oxide and voltage control
CANON KK40 citations92
US4989044AJan 29, 1991
Developing apparatus for developing electrostatic latent images
CANON KK52 citations92
US4739363AApr 19, 1988
Image forming apparatus
CANON KK35 citations92
US4669852AJun 2, 1987
Developing apparatus
CANON KK27 citations92
US4660958AApr 28, 1987
Developing apparatus
CANON KK24 citations82
US4637706AJan 20, 1987
Developer thin layer forming apparatus
CANON KK24 citations82
US4563978AJan 14, 1986
Developing apparatus
CANON KK20 citations82
US4465359AAug 14, 1984
Portable electrophotographic copying apparatus
CANON KK20 citations82
US5940668AAug 17, 1999
Image forming apparatus with voltage polarity switching means
CANON KK14 citations74
US5519471AMay 21, 1996
Developer carrying member utilizing oscillating bias having constant-voltage-DC component and constant-current AC component, and developing apparatus and image forming apparatus using same
CANON KK14 citations74
US4937630AJun 26, 1990
Image forming apparatus employing non-magnetic and magnetic toner
CANON KK18 citations74
US4872418AOct 10, 1989
Magnet roll developing apparatus
CANON KK13 citations74
US4766468AAug 23, 1988
Developing method and apparatus for a photocopier
CANON KK14 citations74
US4699499AOct 13, 1987
Image forming apparatus
CANON KK15 citations74
US4672505AJun 9, 1987
Corona discharging device
CANON KK16 citations74
US4638760AJan 27, 1987
Developing apparatus
CANON KK10 citations74
US4607938AAug 26, 1986
Method and apparatus for forming a thin layer of developer
CANON KK16 citations74
US4579082AApr 1, 1986
Developing apparatus
CANON KK7 citations74
US4559899ADec 24, 1985
Thin developer layer forming device
CANON KK20 citations74
US4402591ASep 6, 1983
Electrophotographic apparatus
CANON KK18 citations74
US4333124AJun 1, 1982
Electrically discharging method and device
CANON KK7 citations74
US4136942AJan 30, 1979
Electrophotographic apparatus
CANON KK16 citations74
US4484811ANov 27, 1984
Apparatus for forming an image on a recording member
CANON KK8 citations73
US6047149AApr 4, 2000
Image forming apparatus having a rotatable first developing member, and a fixed second developing member having a housing partially covering the first developing member
CANON KK7 citations72
US5600431AFeb 4, 1997
Image forming apparatus for forming color image with dry developer
CANON KK9 citations72
US5027745AJul 2, 1991
Developing apparatus having developer carrying roller with carbon fibers in surface layer
CANON KK8 citations71
US4641948AFeb 10, 1987
Method of and device for preventing disturbance of unfixed visible image
CANON KK5 citations61
US4268161AMay 19, 1981
Electrophotographic apparatus with corona discharge control
CANON KK6 citations61
US5220623AJun 15, 1993
Image processing apparatus which can shift reproduction position of image areas, character train, etc.
CANON KK2 citations59