P

Inventor

HIROSHIMA KOICHI

JP32 patents
⚠️ This page may combine multiple inventors who share the name “HIROSHIMA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

31 patents
US5450180ASep 12, 1995

Image forming apparatus having constant current and voltage control in the charging and transfer regions

CANON KK68 citations96
US5179397AJan 12, 1993

Image forming apparatus with constant voltage and constant current control

CANON KK65 citations96
US5198863AMar 30, 1993

Image forming apparatus

CANON KK26 citations93
US5172173ADec 15, 1992

Image forming device and transfer belt having contact-type electricity feeding means

CANON KK54 citations93
US5043745AAug 27, 1991

Light intensity control apparatus

CANON KK41 citations93
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
US6754454B1Jun 22, 2004

Image forming apparatus capable of discriminating a service life of detachably mounted process unit

CANON KK16 citations92
US6704521B2Mar 9, 2004

Image forming apparatus and image forming method

CANON KK28 citations92
US6633734B2Oct 14, 2003

Image forming apparatus having density detecting means

CANON KK45 citations92
US6381419B1Apr 30, 2002

Image forming apparatus with developer density and developer remaining amount detection features

CANON KK25 citations92
US5999763ADec 7, 1999

Simultaneous cleaning of residual toner and toner image formation

CANON KK20 citations92
US5974281AOct 26, 1999

Image forming apparatus using intermediate transfer member

CANON KK22 citations92
US5809373ASep 15, 1998

Image forming apparatus which back-transfers residual toner from an intermediate transfer member to a photosensitive drum

CANON KK30 citations92
US5732310AMar 24, 1998

Image forming apparatus having cleaning device for cleaning intermediate transfer member

CANON KK42 citations92
US5701568ADec 23, 1997

Image forming apparatus having dielectric constant relationship between image bearing member, intermediate transfer member and contact transfer device

CANON KK33 citations92
US5646717AJul 8, 1997

Image forming apparatus having charging member

CANON KK38 citations92
US5455603AOct 3, 1995

Image forming apparatus with feeder control based on pixel conversion status

CANON KK26 citations92
US5285245AFeb 8, 1994

Electrostatic transfer type image forming apparatus with recording material guide for changing direction of recording material separation from image transfer position

CANON KK29 citations92
US5264902ANov 23, 1993

Image forming device

CANON KK40 citations92
US5223900AJun 29, 1993

Transfer roller with a resistance determined in accordance with its peripheral speed

CANON KK30 citations92
US5159393AOct 27, 1992

Image forming apparatus having transfer device and image bearing member traveling at different speeds

CANON KK37 citations92
US5034777AJul 23, 1991

Transferring device having charging device with double oxide and voltage control

CANON KK40 citations92
US6131010AOct 10, 2000

Rotatable member having elastic layer and fixing apparatus having said rotatable member

CANON KK39 citations91
US7110684B2Sep 19, 2006

Cartridge for replenishing developer including a memory device and a control system featuring the cartridge

CANON KK14 citations84
US5412480AMay 2, 1995

Image forming apparatus with fixer temperature control

CANON KK15 citations82
US5694158ADec 2, 1997

Image forming apparatus with image carrier and sheet feed drive control

CANON KK12 citations74
US5572306ANov 5, 1996

Image forming apparatus capable of setting fixing temperature corresponding to temperature rising state of heating member

CANON KK13 citations74
US5512929AApr 30, 1996

Image forming apparatus with fixer temperature control

CANON KK6 citations74
US5274402ADec 28, 1993

Image forming apparatus with fixer temperature control

CANON KK9 citations73
US9563159B2Feb 7, 2017

Image heating apparatus and rotatable member for use with the image heating apparatus

CANON KK5 citations72
US6718144B2Apr 6, 2004

Image forming apparatus and process unit mountable to image forming apparatus

CANON KK2 citations63

RANSBURG JAPAN LTD

1 patent