Inventor
NAKAGAWA KEN
JP49 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
36 patentsUS6459878B1Oct 1, 2002
Heating assembly, image-forming apparatus, and process for producing silicone rubber sponge and roller
CANON KK60 citations96
US6175699B1Jan 16, 2001
Image fixing device with heater control
CANON KK63 citations96
US7031629B2Apr 18, 2006
Image forming apparatus which recovers toner by developing device
CANON KK20 citations92
US11442385B2Sep 13, 2022
Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatus
CANON KK4 citations84
US11073778B2Jul 27, 2021
Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatus
CANON KK6 citations84
US10216130B2Feb 26, 2019
Heating rotating member and heating apparatus
CANON KK8 citations84
US7978998B2Jul 12, 2011
Image forming apparatus for transferring transfer residual toner onto image bearing member
CANON KK13 citations84
US7587149B2Sep 8, 2009
Image forming apparatus and method for controlling the same
CANON KK12 citations84
US6965743B2Nov 15, 2005
Developing apparatus
CANON KK16 citations84
US6738593B2May 18, 2004
Developing device with developer bearing member overlying developer containing chamber
CANON KK19 citations84
US7415230B2Aug 19, 2008
Developing apparatus featuring an insulating or electrically floating jumping developer regulation member
CANON KK8 citations74
US7221882B2May 22, 2007
Image forming apparatus and image formation control method in the same
CANON KK8 citations74
US6871035B2Mar 22, 2005
Developing apparatus
CANON KK7 citations74
US11774891B2Oct 3, 2023
Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatus
CANON KK2 citations73
US11221575B2Jan 11, 2022
Image forming apparatus including a plurality of heat generating elements
CANON KK2 citations73
US10999476B2May 4, 2021
Image forming apparatus configured to perform gradation correction process
CANON KK2 citations73
US10788769B2Sep 29, 2020
Image forming apparatus
CANON KK2 citations73
US10503105B2Dec 10, 2019
Fixing apparatus having a tubular film that includes a low resistance layer formed in a heat generating layer
CANON KK5 citations73
US6721527B2Apr 13, 2004
Developing apparatus including a developer compression-avoidance feature and image forming apparatus using same
CANON KK12 citations72
US9459584B2Oct 4, 2016
Image forming apparatus
CANON KK2 citations63
US8005411B2Aug 23, 2011
Image forming apparatus having a transfer unit including an elastic member
CANON KK4 citations63
US7068967B2Jun 27, 2006
Developing apparatus with separable multiple developer layers and image forming apparatus incorporating same
CANON KK4 citations63
US12416886B2Sep 16, 2025
Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatus
CANON KK0 citations62
US11531294B2Dec 20, 2022
Image forming apparatus including a plurality of heat generating elements
CANON KK0 citations62
US8036574B2Oct 11, 2011
Image forming apparatus
CANON KK3 citations62
US6763203B2Jul 13, 2004
Image forming apparatus having transfer bias control function
CANON KK5 citations62
US6915088B2Jul 5, 2005
Image forming apparatus
CANON KK5 citations61
US9116489B2Aug 25, 2015
Image forming apparatus for storing sampling values and method therefor
CANON KK2 citations60
US9213273B2Dec 15, 2015
Image forming apparatus
CANON KK0 citations52
US9389564B2Jul 12, 2016
Image forming apparatus for performing registration and density correction control
CANON KK1 citations50
US9310706B2Apr 12, 2016
Image forming apparatus
CANON KK0 citations42
US9274448B2Mar 1, 2016
Image forming apparatus, positional deviation detection apparatus, and positional deviation detection method
CANON KK0 citations42
US9261842B2Feb 16, 2016
Image forming apparatus, density detecting apparatus, and density detecting method
CANON KK0 citations42
US9304083B2Apr 5, 2016
Optical detection device and image forming apparatus including the same
CANON KK0 citations41
US9594337B2Mar 14, 2017
Image forming apparatus for detecting misregistration amount and density
CANON KK0 citations39
US9164454B2Oct 20, 2015
Image forming apparatus for performing registration and density correction control
CANON KK0 citations39
NAKAGAWA KEN
3 patentsUS8811872B2Aug 19, 2014
Image heating apparatus, film used for the apparatus, and manufacturing method of flexible resin material for the film
NAKAGAWA KEN13 citations83
US8290385B2Oct 16, 2012
Image forming apparatus for transferring transfer residual toner onto image bearing member
NAKAGAWA KEN9 citations83
US8180247B2May 15, 2012
Image forming apparatus for transferring transfer residual toner onto image bearing member
NAKAGAWA KEN3 citations61