Inventor
YOSHIYAMA TSUGIHITO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIYAMA TSUGIHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CAMERA KK
10 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
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
US5315351AMay 24, 1994
Image forming apparatus
MINOLTA CAMERA KK26 citations91
US5159388AOct 27, 1992
Image forming apparatus
MINOLTA CAMERA KK21 citations81
US5245389ASep 14, 1993
Image forming apparatus
MINOLTA CAMERA KK13 citations73
US4688927AAug 25, 1987
Electrophotographic copying machine
MINOLTA CAMERA KK9 citations73
US4772919ASep 20, 1988
Electrophotographic copying machine
MINOLTA CAMERA KK2 citations62
KONICA MINOLTA INC
7 patentsUS10691058B2Jun 23, 2020
Image forming apparatus, lubricant application method, and computer program
KONICA MINOLTA INC0 citations50
US9335712B2May 10, 2016
Method for measuring lubricant-induced surface roughness and image forming apparatus
KONICA MINOLTA INC0 citations50
US9568883B2Feb 14, 2017
Image forming apparatus with a structure for removing residual developer
KONICA MINOLTA INC0 citations41
US9268256B2Feb 23, 2016
Image forming apparatus
KONICA MINOLTA INC0 citations41
US9223283B2Dec 29, 2015
Image forming apparatus and lubricant application method
KONICA MINOLTA INC0 citations40
US10656548B2May 19, 2020
Image forming apparatus with a charging power supply that outputs an AC bias and a DC bias
KONICA MINOLTA INC0 citations39
US10534283B2Jan 14, 2020
Image forming apparatus, image forming apparatus control method, and image forming apparatus control program
KONICA MINOLTA INC0 citations39
MINOLTA CO LTD
3 patentsUS5940661AAug 17, 1999
Image forming apparatus with a charging member which removes smears on an image forming member
MINOLTA CO LTD22 citations92
US5911097AJun 8, 1999
Image forming apparatus and method using charge control means
MINOLTA CO LTD9 citations73
US5555076ASep 10, 1996
Apparatus for controlling an exposure
MINOLTA CO LTD6 citations62
KONICA MINOLTA BUSINESS TECH
2 patentsUS7773926B2Aug 10, 2010
Image forming apparatus
KONICA MINOLTA BUSINESS TECH1 citations51
US8045891B2Oct 25, 2011
Rotary developing apparatus rotatably accommodating a plurality of developer units, developer unit and image forming apparatus including rotary developing apparatus
KONICA MINOLTA BUSINESS TECH0 citations40