Inventor · disambiguated record
Tsuguhiro Yoshida
Also filed as: YOSHIDA TSUGUHIRO
56 granted patents·6 pending applications·94 citations·filing 2010–2025
98Inventor score
Top patents by PatentIndex Score
62 records- 0198US11442385B2Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatusCANON KK·Filed 2021·Granted Sep 13, 2022·4 cites·11 claims
- 0298US11092916B2Image forming apparatus including a plurality of heat generating elementsCANON KK·Filed 2020·Granted Aug 17, 2021·7 cites·12 claims
- 0398US11073778B2Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatusCANON KK·Filed 2020·Granted Jul 27, 2021·6 cites·17 claims
- 0497US11281135B2Fixing apparatus switching heat generation members and image forming apparatusCANON KK·Filed 2021·Granted Mar 22, 2022·4 cites·23 claims
- 0597US11194272B2Fixing apparatus having a nip area, and image forming apparatusCANON KK·Filed 2020·Granted Dec 7, 2021·4 cites·18 claims
- 0696US11774891B2Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatusCANON KK·Filed 2022·Granted Oct 3, 2023·2 cites·11 claims
- 0795US11994815B2Heating apparatus and image forming apparatusCANON KK·Filed 2022·Granted May 28, 2024·2 cites·8 claims
- 0895US11669032B2Fixing apparatus having a nip area, and image forming apparatusCANON KK·Filed 2021·Granted Jun 6, 2023·2 cites·22 claims
- 0995US9158238B2Image forming apparatus using stretch member and contact member to maintain potential with current flowing from current supply member to intermediate transfer beltCANON KK·Filed 2013·Granted Oct 13, 2015·10 cites·35 claims
- 1094US9417568B2Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transfer beltCANON KK·Filed 2015·Granted Aug 16, 2016·6 cites·32 claims
- 1194US2025390043A1Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1292US10095165B2Fixing apparatus for fixing a toner image to a recording mediumCANON KK·Filed 2016·Granted Oct 9, 2018·4 cites·10 claims
- 1392US9817342B2Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transer beltCANON KK·Filed 2016·Granted Nov 14, 2017·4 cites·16 claims
- 1492US2025370384A1Fixing device provided with heater and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1591US11221575B2Image forming apparatus including a plurality of heat generating elementsCANON KK·Filed 2020·Granted Jan 11, 2022·2 cites·26 claims
- 1689US11204571B2Heating apparatus including a plurality of heat generating elements, fixing apparatus, and image forming apparatusCANON KK·Filed 2020·Granted Dec 21, 2021·2 cites·15 claims
- 1789US10921737B2Fixing apparatus switching heat generation members and image forming apparatusCANON KK·Filed 2020·Granted Feb 16, 2021·2 cites·21 claims
- 1889US10725402B2Image forming apparatusCANON KK·Filed 2019·Granted Jul 28, 2020·2 cites·22 claims
- 1989US10606190B2Image forming apparatus that collects toner remaining on intermediate transfer member using member in abutment with intermediate transfer memberCANON KK·Filed 2019·Granted Mar 31, 2020·3 cites·23 claims
- 2089US10168645B2Image forming apparatus where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer beltCANON KK·Filed 2017·Granted Jan 1, 2019·3 cites·21 claims
- 2188US8532531B2Image forming apparatus comprising a charging unit including plural conductive fibersSHIMURA MASARU·Filed 2010·Granted Sep 10, 2013·5 cites·8 claims
- 2287US10838336B2Fixing device and image forming apparatus that control power supply to heat generation membersCANON KK·Filed 2020·Granted Nov 17, 2020·2 cites·14 claims
- 2387US2025271794A1Fixing apparatus having a nip area, and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2486US11507001B2Image forming apparatus including a plurality of heat generating elementsCANON KK·Filed 2021·Granted Nov 22, 2022·1 cites·14 claims
- 2586US11003118B2Fixing apparatus and image forming apparatus that control heat generation of heat generation membersCANON KK·Filed 2020·Granted May 11, 2021·2 cites·20 claims
- 2686US10488794B2Image forming apparatus that switches power supply to plurality of heating elementsCANON KK·Filed 2018·Granted Nov 26, 2019·2 cites·10 claims
- 2786US9501012B2Fixing apparatus for fixing a toner image to a recording mediumCANON KK·Filed 2015·Granted Nov 22, 2016·2 cites·4 claims
- 2884US11579550B2Fixing device including heat equalizing member and image forming apparatusCANON KK·Filed 2021·Granted Feb 14, 2023·1 cites·15 claims
- 2984US10642195B2Image forming apparatus using intermediate transfer member having grooves and specified dynamic friction coefficientCANON KK·Filed 2019·Granted May 5, 2020·2 cites·12 claims
- 3084US10289025B2Image forming apparatus for electrophotographic processing utilizing varying surface speedsCANON KK·Filed 2018·Granted May 14, 2019·2 cites·16 claims
- 3184US10180643B2Image 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 groundedCANON KK·Filed 2017·Granted Jan 15, 2019·1 cites·14 claims
- 3283US12416886B2Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatusCANON KK·Filed 2023·Granted Sep 16, 2025·0 cites·18 claims
- 3383US11281139B2Fixing apparatus including heat generating element, and image forming apparatusCANON KK·Filed 2020·Granted Mar 22, 2022·1 cites·24 claims
- 3482US12405558B2Fixing device provided with heater and image forming apparatusCANON KK·Filed 2024·Granted Sep 2, 2025·0 cites·19 claims
- 3582US10564579B2Fixing apparatusCANON KK·Filed 2018·Granted Feb 18, 2020·1 cites·10 claims
- 3680US12321114B2Fixing apparatus having a nip area, and image forming apparatusCANON KK·Filed 2023·Granted Jun 3, 2025·0 cites·5 claims
- 3780US11143987B2Imaging forming apparatus with enhanced primary transferability where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer beltCANON KK·Filed 2018·Granted Oct 12, 2021·1 cites·20 claims
- 3878US12468245B2Fixing unit with a film regulating surface disposed upstream of the center of a nip portion and image forming apparatusCANON KK·Filed 2023·Granted Nov 11, 2025·0 cites·12 claims
- 3976US12001157B2Fixing device provided with heater and image forming apparatusCANON KK·Filed 2022·Granted Jun 4, 2024·0 cites·20 claims
- 4076US2024272571A1Heating apparatus and image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 4174US11537066B2Image forming apparatusCANON KK·Filed 2021·Granted Dec 27, 2022·0 cites·5 claims
- 4271US11774889B2Fixing apparatus including heat generating element, and image forming apparatusCANON KK·Filed 2022·Granted Oct 3, 2023·0 cites·27 claims
- 4371US8862039B2Image forming apparatusYOSHIDA TSUGUHIRO·Filed 2012·Granted Oct 14, 2014·2 cites·22 claims
- 4470US11531294B2Image forming apparatus including a plurality of heat generating elementsCANON KK·Filed 2021·Granted Dec 20, 2022·0 cites·25 claims
- 4570US10627749B2Image 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 sourceCANON KK·Filed 2018·Granted Apr 21, 2020·0 cites·9 claims
- 4669US11262673B2Image forming apparatusCANON KK·Filed 2020·Granted Mar 1, 2022·0 cites·14 claims
- 4769US10884361B2Image forming apparatus that switches power supply to plurality of heating elementsCANON KK·Filed 2019·Granted Jan 5, 2021·0 cites·8 claims
- 4866US10591856B2Roller with filler bundle in elastic layer and fixing deviceCANON KK·Filed 2019·Granted Mar 17, 2020·0 cites·12 claims
- 4963US12181820B2Fixing device and image forming apparatusCANON KK·Filed 2023·Granted Dec 31, 2024·0 cites·18 claims
- 5057US12481236B2Heating apparatus and image forming apparatusCANON KK·Filed 2023·Granted Nov 25, 2025·0 cites·12 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →