Inventor
YOSHIDA TSUGUHIRO
JP56 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIDA TSUGUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
48 patentsUS11442385B2Sep 13, 2022
Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatus
CANON KK4 citations84
US11092916B2Aug 17, 2021
Image forming apparatus including a plurality of heat generating elements
CANON KK7 citations84
US11073778B2Jul 27, 2021
Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatus
CANON KK6 citations84
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
US11994815B2May 28, 2024
Heating apparatus and image forming apparatus
CANON KK2 citations73
US11774891B2Oct 3, 2023
Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatus
CANON KK2 citations73
US11669032B2Jun 6, 2023
Fixing apparatus having a nip area, and image forming apparatus
CANON KK2 citations73
US11281135B2Mar 22, 2022
Fixing apparatus switching heat generation members and image forming apparatus
CANON KK4 citations73
US11221575B2Jan 11, 2022
Image forming apparatus including a plurality of heat generating elements
CANON KK2 citations73
US11204571B2Dec 21, 2021
Heating apparatus including a plurality of heat generating elements, fixing apparatus, and image forming apparatus
CANON KK2 citations73
US11194272B2Dec 7, 2021
Fixing apparatus having a nip area, and image forming apparatus
CANON KK4 citations73
US10921737B2Feb 16, 2021
Fixing apparatus switching heat generation members and image forming apparatus
CANON KK2 citations73
US10838336B2Nov 17, 2020
Fixing device and image forming apparatus that control power supply to heat generation members
CANON KK2 citations73
US10725402B2Jul 28, 2020
Image forming apparatus
CANON KK2 citations73
US10642195B2May 5, 2020
Image forming apparatus using intermediate transfer member having grooves and specified dynamic friction coefficient
CANON KK2 citations73
US10606190B2Mar 31, 2020
Image forming apparatus that collects toner remaining on intermediate transfer member using member in abutment with intermediate transfer member
CANON KK3 citations73
US10289025B2May 14, 2019
Image forming apparatus for electrophotographic processing utilizing varying surface speeds
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
US10168645B2Jan 1, 2019
Image forming apparatus where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer belt
CANON KK3 citations73
US10095165B2Oct 9, 2018
Fixing apparatus for fixing a toner image to a recording medium
CANON KK4 citations73
US11003118B2May 11, 2021
Fixing apparatus and image forming apparatus that control heat generation of heat generation members
CANON KK2 citations72
US10488794B2Nov 26, 2019
Image forming apparatus that switches power supply to plurality of heating elements
CANON KK2 citations72
US9501012B2Nov 22, 2016
Fixing apparatus for fixing a toner image to a recording medium
CANON KK2 citations63
US12416886B2Sep 16, 2025
Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatus
CANON KK0 citations62
US12405558B2Sep 2, 2025
Fixing device provided with heater and image forming apparatus
CANON KK0 citations62
US12321114B2Jun 3, 2025
Fixing apparatus having a nip area, and image forming apparatus
CANON KK0 citations62
US12001157B2Jun 4, 2024
Fixing device provided with heater and image forming apparatus
CANON KK0 citations62
US11774889B2Oct 3, 2023
Fixing apparatus including heat generating element, and image forming apparatus
CANON KK0 citations62
US11579550B2Feb 14, 2023
Fixing device including heat equalizing member and image forming apparatus
CANON KK1 citations62
US11537066B2Dec 27, 2022
Image forming apparatus
CANON KK0 citations62
US11531294B2Dec 20, 2022
Image forming apparatus including a plurality of heat generating elements
CANON KK0 citations62
US11507001B2Nov 22, 2022
Image forming apparatus including a plurality of heat generating elements
CANON KK1 citations62
US11281139B2Mar 22, 2022
Fixing apparatus including heat generating element, and image forming apparatus
CANON KK1 citations62
US11262673B2Mar 1, 2022
Image forming apparatus
CANON KK0 citations62
US11143987B2Oct 12, 2021
Imaging forming apparatus with enhanced primary transferability where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer belt
CANON KK1 citations62
US10884361B2Jan 5, 2021
Image forming apparatus that switches power supply to plurality of heating elements
CANON KK0 citations62
US10564579B2Feb 18, 2020
Fixing apparatus
CANON KK1 citations62
US12481236B2Nov 25, 2025
Heating apparatus and image forming apparatus
CANON KK0 citations52
US12468245B2Nov 11, 2025
Fixing unit with a film regulating surface disposed upstream of the center of a nip portion and image forming apparatus
CANON KK0 citations52
US11835896B2Dec 5, 2023
Fixing device provided with heater and image forming apparatus
CANON KK0 citations52
US11048198B2Jun 29, 2021
Image forming apparatus
CANON KK0 citations52
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
US10591856B2Mar 17, 2020
Roller with filler bundle in elastic layer and fixing device
CANON KK0 citations52
US12181820B2Dec 31, 2024
Fixing device and image forming apparatus
CANON KK0 citations51
US10649388B2May 12, 2020
Image forming apparatus
CANON KK0 citations42
US10509341B2Dec 17, 2019
Image forming apparatus
CANON KK0 citations42
SHIMURA MASARU
1 patentYOSHIDA TSUGUHIRO
1 patentShowing the top 50 of 56 patents by PatentIndex Score.