Inventor
KAWAGUCHI YUJI
JP63 patents
⚠️ This page may combine multiple inventors who share the name “KAWAGUCHI YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
29 patentsUS10452021B2Oct 22, 2019
Process cartridge and electrophotographic image forming apparatus
CANON KK14 citations85
US9817342B2Nov 14, 2017
Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transer belt
CANON KK4 citations84
US9417568B2Aug 16, 2016
Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transfer belt
CANON KK6 citations84
US9158238B2Oct 13, 2015
Image forming apparatus using stretch member and contact member to maintain potential with current flowing from current supply member to intermediate transfer belt
CANON KK10 citations84
US9002227B2Apr 7, 2015
Image forming apparatus
CANON KK8 citations84
US11275326B2Mar 15, 2022
Developing device to reduce leakage of developer
CANON KK2 citations73
US10866533B2Dec 15, 2020
Image forming apparatus
CANON KK2 citations73
US10180643B2Jan 15, 2019
Image forming apparatus having intermediate transfer belt, secondary transfer member that contacts outer surface of intermediate transfer belt, opposed member opposed to secondary transfer member via intermediate transfer belt, contact member that contacts inner surface of intermediate transfer belt, and constant-voltage element through which opposed member and contact member are grounded
CANON KK1 citations73
US9874830B2Jan 23, 2018
Image forming apparatus with a control that compensates for changing humidity
CANON KK2 citations73
US9063497B2Jun 23, 2015
Image forming apparatus having a power supply common to primary transfer and secondary transfer
CANON KK3 citations63
US8909111B2Dec 9, 2014
Image forming apparatus
CANON KK3 citations63
US12174555B2Dec 24, 2024
Developing device
CANON KK0 citations62
US11841636B2Dec 12, 2023
Developing device to reduce leakage of developer
CANON KK0 citations62
US11561485B2Jan 24, 2023
Developing apparatus to increase adhesion between a seal member and a regulation portion in the developing apparatus
CANON KK0 citations62
US11204565B2Dec 21, 2021
Developing apparatus to increase adhesion between a seal member and a regulation portion in the developing apparatus
CANON KK1 citations62
US10295926B2May 21, 2019
Image forming apparatus
CANON KK1 citations62
US10627749B2Apr 21, 2020
Image forming apparatus having transfer power source that applies voltage to secondary transfer member to perform secondary transfer of toner images from electrically conductive intermediate transfer belt to recording materials, toner images on image carrier primarily transferred to belt by transfer power source and contact member in which an electric potential is formed by constant-voltage element, transfer power source and auxiliary power source
CANON KK0 citations52
US10216143B2Feb 26, 2019
Image forming apparatus having a lubricant and developer of opposite polarity
CANON KK0 citations52
US10197939B2Feb 5, 2019
Image forming apparatus with a control that compensates for changing humidity
CANON KK0 citations52
US9874848B2Jan 23, 2018
Image forming apparatus having a lubricant and developer of opposite polarity
CANON KK0 citations52
US9256187B2Feb 9, 2016
Image forming apparatus using two power supply units to control transfer current
CANON KK0 citations52
US9250576B2Feb 2, 2016
Image forming apparatus
CANON KK0 citations52
US9176436B2Nov 3, 2015
Image forming apparatus with a brush member configured to charge untransferred developer material
CANON KK1 citations52
US9110433B2Aug 18, 2015
Image forming apparatus
CANON KK0 citations52
US10241445B2Mar 26, 2019
Image forming apparatus
CANON KK0 citations51
US9897942B2Feb 20, 2018
Image forming apparatus controlling contact pressure between image bearing member and transfer device
CANON KK1 citations51
US10656553B2May 19, 2020
Image forming apparatus capable of efficiently reducing the influence of discharge products adhering to the surface of an image bearing member
CANON KK0 citations42
US10571823B2Feb 25, 2020
Image forming apparatus having recovery of toner by developing member, control of charging voltage and charging member cleaning operation
CANON KK0 citations42
US10558138B2Feb 11, 2020
Image forming apparatus
CANON KK0 citations42
HONDA MOTOR CO LTD
5 patentsUS5002028AMar 26, 1991
Throttle control system for vehicular internal combustion engine
HONDA MOTOR CO LTD47 citations92
US5094212AMar 10, 1992
Throttle body assembly
HONDA MOTOR CO LTD42 citations91
US4742881AMay 10, 1988
Radiator attaching apparatus
HONDA MOTOR CO LTD28 citations84
US5329905AJul 19, 1994
Fuel injection type internal combustion engine
HONDA MOTOR CO LTD7 citations73
US4553510ANov 19, 1985
Cylinder head for internal combustion engines
HONDA MOTOR CO LTD15 citations71
KUNIMINE IND CO LTD
3 patentsUS6007615ADec 28, 1999
Water-swellable compositions and sealants
KUNIMINE IND CO LTD10 citations72
US5680830AOct 28, 1997
Excrement treatment for small animals and method of manufacturing the same
KUNIMINE IND CO LTD16 citations70
US5704970AJan 6, 1998
Water-preventing sealant with plasticity
KUNIMINE IND CO LTD6 citations60
KYOWA HAKKO KOGYO KK
2 patentsKAWAGUCHI YUJI
2 patentsKAO CORP
1 patentKAWASAKI SHUHEI
1 patentMITSUBISHI RAYON CO
1 patentTOSHIBA KK
1 patentADACHI MOTOKI
1 patentTOKYO ELECTRON LTD
1 patentMITSUBISHI CHEM CORP
1 patentKANAZAWA TAKAYUKI
1 patentYANO KOUKI
1 patentShowing the top 50 of 63 patents by PatentIndex Score.