Inventor · disambiguated record
Kohei Okayasu
Also filed as: OKAYASU KOHEI
24 granted patents·10 pending applications·45 citations·filing 2010–2025
92Inventor score
Top patents by PatentIndex Score
34 records- 0194US8798514B2Image fixing appratus for fixing a toner image on a recording material by heating the toner image while feeding the recording material through a nipTANAKA MASASHI·Filed 2012·Granted Aug 5, 2014·12 cites·11 claims
- 0292US10073383B2Image forming apparatus including cleaning operationCANON KK·Filed 2016·Granted Sep 11, 2018·6 cites·15 claims
- 0392US8285183B2Image forming apparatusNISHIDA SATOSHI·Filed 2010·Granted Oct 9, 2012·9 cites·15 claims
- 0491US8831493B2Image heating apparatusTANAKA MASASHI·Filed 2011·Granted Sep 9, 2014·8 cites·13 claims
- 0587US2025328097A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 0685US10386755B2Image forming apparatus including cleaning operationCANON KK·Filed 2018·Granted Aug 20, 2019·2 cites·17 claims
- 0782US12468243B2Image forming apparatusCANON KK·Filed 2024·Granted Nov 11, 2025·0 cites·7 claims
- 0881US9014608B2Image heating apparatusOKAYASU KOHEI·Filed 2012·Granted Apr 21, 2015·4 cites·15 claims
- 0980US9946216B2Image forming apparatusCANON KK·Filed 2016·Granted Apr 17, 2018·2 cites·28 claims
- 1080US2025208550A1Fixing apparatus and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1178US2025348026A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1278US2025334903A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1378US2025334902A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1478US2025348025A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1577US12265340B2Image-forming apparatusCANON KK·Filed 2024·Granted Apr 1, 2025·0 cites·9 claims
- 1677US2025341797A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1776US12271133B2Fixing apparatus and image forming apparatusCANON KK·Filed 2023·Granted Apr 8, 2025·0 cites·9 claims
- 1876US8737896B2Image forming apparatus for heating a recording material bearing a toner imageFUJITA KEISUKE·Filed 2012·Granted May 27, 2014·2 cites·12 claims
- 1975US12372905B2Image forming apparatusCANON KK·Filed 2023·Granted Jul 29, 2025·0 cites·19 claims
- 2072US12019380B2Image-forming apparatusCANON KK·Filed 2023·Granted Jun 25, 2024·0 cites·8 claims
- 2169US10656576B2Image forming apparatus, image forming system, and image forming method each controlling fixing temperatureCANON KK·Filed 2019·Granted May 19, 2020·0 cites·22 claims
- 2265US10948857B2Image forming apparatus, image forming system, and image forming method each controlling fixing temperatureCANON KK·Filed 2020·Granted Mar 16, 2021·0 cites·8 claims
- 2365US10444673B2Guide member and image forming apparatus comprising the sameCANON KK·Filed 2018·Granted Oct 15, 2019·0 cites·8 claims
- 2460US2018095386A1Image forming apparatusCANON KK·Filed 2017·Application pending·0 cites
- 2555US12353154B2Image forming apparatusCANON KK·Filed 2024·Granted Jul 8, 2025·0 cites·11 claims
- 2655US2025199458A1Image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2754US2025244701A1Fixing unit and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2853US11237504B2Image forming apparatus, image forming method, and computer-readable recording medium with program recorded thereinCANON KK·Filed 2020·Granted Feb 1, 2022·0 cites·19 claims
- 2953US10216112B2Image forming apparatusCANON KK·Filed 2017·Granted Feb 26, 2019·0 cites·10 claims
- 3051US11036159B2Image forming apparatus for controlling an exposure amount on a surface of a photoconductorCANON KK·Filed 2019·Granted Jun 15, 2021·0 cites·18 claims
- 3151US9042800B2Fixing deviceCANON KK·Filed 2013·Granted May 26, 2015·0 cites·14 claims
- 3249US10025236B2Transfer roller and image forming apparatusCANON KK·Filed 2017·Granted Jul 17, 2018·0 cites·9 claims
- 3342US11644766B2Image forming apparatus that controls voltages to reduce image foggingCANON KK·Filed 2021·Granted May 9, 2023·0 cites·19 claims
- 3441US10222718B2Image forming apparatus for duplex operation using potential differencesCANON KK·Filed 2017·Granted Mar 5, 2019·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →