Inventor
ISHIYAMA TATSUNORI
JP19 patents
Patents
19 patentsUS6084208AJul 4, 2000
Image heating device which prevents temperature rise in non-paper feeding portion, and heater
CANON KK67 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
US5801360ASep 1, 1998
Image fixing apparatus
CANON KK45 citations92
US5646717AJul 8, 1997
Image forming apparatus having charging member
CANON KK38 citations92
US5621510AApr 15, 1997
Image heating apparatus with driving roller having low thermal expansion coefficient outer layer
CANON KK36 citations92
US5459558AOct 17, 1995
Charging device, image forming apparatus with same and a process unit detachably mountable to the image forming apparatus
CANON KK22 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
US5253024AOct 12, 1993
Fixing apparatus with rectifier element
CANON KK41 citations92
US5185496AFeb 9, 1993
Electrostatic latent image device having a coating layer provided on a developer carrying member
CANON KK29 citations92
US5177537AJan 5, 1993
Developing apparatus with elastic regulating member urged to a developer carrying member
CANON KK42 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
US5144368ASep 1, 1992
Charging device and image forming apparatus having same
CANON KK39 citations92
US5034777AJul 23, 1991
Transferring device having charging device with double oxide and voltage control
CANON KK40 citations92
US6980749B2Dec 27, 2005
Image forming apparatus with control feature based on transfer material discrimination
CANON KK15 citations84
US6987939B2Jan 17, 2006
Image forming apparatus with two cleaning electric fields for transferring developer from a developer charging device onto an image bearing member
CANON KK7 citations74
US6956594B2Oct 18, 2005
Image forming apparatus including two image bearing members and featuring a variable dot image
CANON KK5 citations63
US6947695B2Sep 20, 2005
Image forming apparatus including two image forming members and featuring a dot-shaped image
CANON KK3 citations63