Inventor · disambiguated record
Seiji Obata
Also filed as: OBATA SEIJI
24 granted patents·4 pending applications·34 citations·filing 2002–2025
93Inventor score
Technology areasG03G
Files withCANON KK28
Top patents by PatentIndex Score
28 records- 0192US9513583B2Fixing device for suppressing reduced durability of a flexible rotary memberCANON KK·Filed 2014·Granted Dec 6, 2016·4 cites·16 claims
- 0289US11634292B2Sheet conveyance apparatus and image forming apparatusCANON KK·Filed 2021·Granted Apr 25, 2023·2 cites·19 claims
- 0388US10012935B2Image fixing apparatusCANON KK·Filed 2016·Granted Jul 3, 2018·4 cites·4 claims
- 0486US11487230B2Image heating apparatus and image forming apparatusCANON KK·Filed 2020·Granted Nov 1, 2022·2 cites·20 claims
- 0586US10386761B2Fixing device for suppressing reduced durability of a flexible rotary memberCANON KK·Filed 2018·Granted Aug 20, 2019·1 cites·34 claims
- 0685US12228871B2Fixing device for suppressing reduced durability of a flexible rotary memberCANON KK·Filed 2023·Granted Feb 18, 2025·0 cites·1 claims
- 0784US2025264832A1Fixing deviceCANON KK·Filed 2025·Application pending·0 cites
- 0879US11846902B2Fixing device for suppressing reduced durability of a flexible rotary memberCANON KK·Filed 2022·Granted Dec 19, 2023·0 cites·10 claims
- 0978US7903994B2Image forming apparatusCANON KK·Filed 2008·Granted Mar 8, 2011·5 cites·16 claims
- 1078US2025155840A1Fixing deviceCANON KK·Filed 2025·Application pending·0 cites
- 1176US10824102B2Fixing device for suppressing reduced durability of a flexible rotary memberCANON KK·Filed 2019·Granted Nov 3, 2020·0 cites·9 claims
- 1275US10185256B2Image forming apparatus that discharges air to a space in a main assemblyCANON KK·Filed 2017·Granted Jan 22, 2019·1 cites·16 claims
- 1374US2025291286A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1473US12321117B2Fixing device in which a power supply terminal in contact with an electrode of a heater and a power supply cable are arranged in an internal space of a filmCANON KK·Filed 2023·Granted Jun 3, 2025·0 cites·5 claims
- 1573US11320770B2Fixing device for suppressing reduced durability of a flexible rotary memberCANON KK·Filed 2020·Granted May 3, 2022·0 cites·10 claims
- 1673US2025291305A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1770US6834174B2Image forming apparatus and rotary body detection deviceCANON KK·Filed 2002·Granted Dec 21, 2004·11 cites·15 claims
- 1869US7885555B2Image forming apparatus with multiple fixing unit attachment detection portionsCANON KK·Filed 2009·Granted Feb 8, 2011·3 cites·4 claims
- 1968US9454117B2Fixing deviceCANON KK·Filed 2014·Granted Sep 27, 2016·1 cites·16 claims
- 2067US10996598B2Heater and fixing apparatusCANON KK·Filed 2019·Granted May 4, 2021·0 cites·19 claims
- 2167US9983523B2Fixing device for suppressing reduced durability of a flexible rotary memberCANON KK·Filed 2016·Granted May 29, 2018·0 cites·14 claims
- 2266US11747756B2Heater and fixing apparatusCANON KK·Filed 2021·Granted Sep 5, 2023·0 cites·8 claims
- 2363US12153365B2Image heating apparatus and image forming apparatusCANON KK·Filed 2022·Granted Nov 26, 2024·0 cites·6 claims
- 2454US11662679B2Image heating apparatus and image forming apparatusCANON KK·Filed 2021·Granted May 30, 2023·0 cites·19 claims
- 2551US10222731B2Fixing device having a cylindrical rotatable heating member that includes a hole and a slit at a longitudinal end portionCANON KK·Filed 2016·Granted Mar 5, 2019·0 cites·15 claims
- 2647US11073779B2Image heating apparatus and image forming apparatusCANON KK·Filed 2020·Granted Jul 27, 2021·0 cites·12 claims
- 2746US12510854B2Sheet discharge apparatus and image forming apparatusCANON KK·Filed 2022·Granted Dec 30, 2025·0 cites·10 claims
- 2844US10928764B2Image heating apparatusCANON KK·Filed 2019·Granted Feb 23, 2021·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →