Inventor
SHIMIZU TADAFUMI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZU TADAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CAMERA KK
15 patentsUS5335048AAug 2, 1994
Efficient control system of image forming apparatus
MINOLTA CAMERA KK111 citations97
US5347346ASep 13, 1994
Image forming apparatus with improved efficiency of maintenance control
MINOLTA CAMERA KK56 citations96
US5243382ASep 7, 1993
Image forming apparatus capable of efficient maintenance work
MINOLTA CAMERA KK69 citations96
US5012093AApr 30, 1991
Cleaning device for wire electrode of corona discharger
MINOLTA CAMERA KK86 citations96
US5303005AApr 12, 1994
Image forming apparatus with improved maintenance control
MINOLTA CAMERA KK71 citations94
US5194897AMar 16, 1993
Image forming apparatus with charge wire cleaners
MINOLTA CAMERA KK23 citations92
US5150892ASep 29, 1992
Sheet feeding apparatus
MINOLTA CAMERA KK32 citations92
US5146269ASep 8, 1992
Image forming apparatus having self-diagnostic function
MINOLTA CAMERA KK22 citations92
US5024431AJun 18, 1991
Sheet transport device with easy sheet jam handling
MINOLTA CAMERA KK23 citations92
US5223896AJun 29, 1993
Image forming apparatus having self-diagnostic function relating to the potential of the photoreceptor
MINOLTA CAMERA KK15 citations74
US5099279AMar 24, 1992
Image forming method and image forming apparatus in which the density of the toner image is measured and controlled
MINOLTA CAMERA KK16 citations74
US4861012AAug 29, 1989
Paper feeder for image forming apparatus
MINOLTA CAMERA KK13 citations74
US5245389ASep 14, 1993
Image forming apparatus
MINOLTA CAMERA KK13 citations73
US5089848AFeb 18, 1992
Abnormal charge and toner density detecting system and method for use in an electrostatic copier
MINOLTA CAMERA KK17 citations73
US5173734ADec 22, 1992
Image forming apparatus using measured data to adjust the operation level
MINOLTA CAMERA KK9 citations71
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
12 patentsUS6795679B2Sep 21, 2004
Image heating apparatus and heat generating rotary member for use in the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US6968137B2Nov 22, 2005
Image heating device, image forming apparatus, image copying machine, and method for controlling temperature
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84
US6849838B2Feb 1, 2005
Heating device using electromagnetic induction and fuser
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations82
US7391983B2Jun 24, 2008
Method and apparatus for controlling image forming operation of an image forming apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US7379685B2May 27, 2008
Image heating apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US6950618B2Sep 27, 2005
Image forming apparatus having a removable fixing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6901235B2May 31, 2005
Fixing device and image forming apparatus using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US6888113B2May 3, 2005
Heating device and fuser utilizing electromagnetic induction
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations72
US6006063ADec 21, 1999
Fixing apparatus and image forming apparatus provided with the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations68
US7277108B2Oct 2, 2007
Fixing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7062188B2Jun 13, 2006
Image heating device, image forming apparatus, image copying machine, and method for controlling temperature
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US6934483B2Aug 23, 2005
Image heating device, image forming apparatus, image copying machine, and method for controlling temperature
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52