Inventor · disambiguated record
Youichi Chikugo
Also filed as: CHIKUGO YOUICHI
37 granted patents·5 pending applications·242 citations·filing 2006–2025
97Inventor score
Top patents by PatentIndex Score
42 records- 0198US7597311B2Sheet processing apparatus and image forming apparatus provided therewith and sheet processing methodCANON KK·Filed 2006·Granted Oct 6, 2009·52 cites·14 claims
- 0297US11300906B2Fixing deviceCANON KK·Filed 2020·Granted Apr 12, 2022·9 cites·8 claims
- 0397US11194275B2Fixing deviceCANON KK·Filed 2020·Granted Dec 7, 2021·9 cites·9 claims
- 0497US7748697B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2007·Granted Jul 6, 2010·31 cites·12 claims
- 0596US11269272B2Fixing device including an endless belt for fixing a toner image on a recording materialCANON KK·Filed 2020·Granted Mar 8, 2022·6 cites·24 claims
- 0694US9367006B2Image heating apparatus including a covering member configured to cover an electrode portionCANON KK·Filed 2013·Granted Jun 14, 2016·10 cites·7 claims
- 0794US9026020B2Fixing apparatus including guiding member configured to guide a sheet toward a nip at which a toner image on the sheet is fixedCANON KK·Filed 2013·Granted May 5, 2015·10 cites·14 claims
- 0894US7890038B2Image heating apparatusCANON KK·Filed 2008·Granted Feb 15, 2011·22 cites·7 claims
- 0992US7890024B2Image heating apparatus with detachable unit urging external heating member to rotational bodyCANON KK·Filed 2008·Granted Feb 15, 2011·17 cites·8 claims
- 1091US11307520B2Image forming apparatus with cleaning mechanismCANON KK·Filed 2021·Granted Apr 19, 2022·2 cites·10 claims
- 1191US7549629B2Image forming apparatusCANON KK·Filed 2007·Granted Jun 23, 2009·14 cites·5 claims
- 1291US7392006B2Image heating apparatusCANON KK·Filed 2006·Granted Jun 24, 2008·13 cites·5 claims
- 1390US12117751B2Fixing apparatusCANON KK·Filed 2023·Granted Oct 15, 2024·1 cites·9 claims
- 1490US9348292B2Fixing apparatus having fixing device with first and second fixing members, feeding device with first and second feeding rollers, and first and second electrical discharging membersCANON KK·Filed 2015·Granted May 24, 2016·4 cites·13 claims
- 1588US11921449B2Fixing apparatusCANON KK·Filed 2023·Granted Mar 5, 2024·1 cites·10 claims
- 1686US2025291290A1Fixing apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1784US11567436B2Image heating apparatus and image forming apparatusCANON KK·Filed 2021·Granted Jan 31, 2023·1 cites·14 claims
- 1883US11809109B2Image heating apparatus having a worm that is rotatably supported at two different positionsCANON KK·Filed 2021·Granted Nov 7, 2023·1 cites·27 claims
- 1982US12339605B2Fixing apparatus for fixing a toner image on a recording mediumCANON KK·Filed 2024·Granted Jun 24, 2025·0 cites·5 claims
- 2082US11454908B2Image heating apparatus comprising halogen heater with two glass-covered heating portionsCANON KK·Filed 2021·Granted Sep 27, 2022·1 cites·11 claims
- 2182US7798491B2Sheet conveying apparatus and image forming apparatusCANON KK·Filed 2007·Granted Sep 21, 2010·8 cites·2 claims
- 2281US7392005B2Image heating apparatusCANON KK·Filed 2006·Granted Jun 24, 2008·6 cites·6 claims
- 2380US7620356B2Fixing apparatus and image forming apparatus having the sameCANON KK·Filed 2007·Granted Nov 17, 2009·6 cites·7 claims
- 2479US7762537B2Sheet processing apparatus and methodCANON KK·Filed 2007·Granted Jul 27, 2010·6 cites·16 claims
- 2578US11287766B2Fixing unit, image forming apparatus and image forming systemCANON KK·Filed 2020·Granted Mar 29, 2022·1 cites·24 claims
- 2678US11092917B2Fixing unitCANON KK·Filed 2020·Granted Aug 17, 2021·1 cites·5 claims
- 2778US10642187B2Image forming apparatusCANON KK·Filed 2018·Granted May 5, 2020·1 cites·21 claims
- 2877US12025936B2Fixing apparatus for fixing a toner image on a recording mediumCANON KK·Filed 2023·Granted Jul 2, 2024·0 cites·14 claims
- 2977US7926800B2Sheet processing apparatus and image forming apparatusCANON KK·Filed 2007·Granted Apr 19, 2011·5 cites·20 claims
- 3076US2025013177A1Fixing apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3173US2025284229A1Fixing deviceCANON KK·Filed 2025·Application pending·0 cites
- 3270US9207600B2Fixing apparatusCANON KK·Filed 2013·Granted Dec 8, 2015·1 cites·20 claims
- 3370US2023136810A1Image heating apparatus and image forming apparatusCANON KK·Filed 2022·Application pending·0 cites
- 3469US11815834B2Image forming apparatusCANON KK·Filed 2022·Granted Nov 14, 2023·0 cites·7 claims
- 3565US7618033B2Sheet processing apparatus and image forming apparatusCANON KK·Filed 2006·Granted Nov 17, 2009·2 cites·5 claims
- 3663US8543047B2Image forming systemHOSOI SHINICHIRO·Filed 2011·Granted Sep 24, 2013·1 cites·3 claims
- 3761US12085875B2Fixing apparatus including scraper for removing lubricantCANON KK·Filed 2023·Granted Sep 10, 2024·0 cites·15 claims
- 3860US12111594B2Fixing device capable of fixing frame covering heating unitCANON KK·Filed 2022·Granted Oct 8, 2024·0 cites·14 claims
- 3954US11714368B2Fixing unitCANON KK·Filed 2022·Granted Aug 1, 2023·0 cites·4 claims
- 4049US12248258B2Image forming apparatus having fixing device with casing and suction ductCANON KK·Filed 2021·Granted Mar 11, 2025·0 cites·14 claims
- 4141US11175613B2Cooling device and image forming systemCANON KK·Filed 2020·Granted Nov 16, 2021·0 cites·8 claims
- 4238US2017153581A1Image heating apparatusCANON KK·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →