Inventor · disambiguated record
Keita Nakajima
Also filed as: NAKAJIMA KEITA
34 granted patents·5 pending applications·57 citations·filing 2010–2025
95Inventor score
Top patents by PatentIndex Score
39 records- 0195US8755718B2Image forming apparatusUSHIOZU HIDEHIRO·Filed 2011·Granted Jun 17, 2014·24 cites·19 claims
- 0290US8340563B2Sheet conveying apparatus and image forming apparatusNAKAJIMA KEITA·Filed 2010·Granted Dec 25, 2012·12 cites·15 claims
- 0387US10429782B2Fixing device having a preventing member that prevents folding of an end portion of a filmCANON KK·Filed 2018·Granted Oct 1, 2019·3 cites·19 claims
- 0486US9880500B2Fixing deviceCANON KK·Filed 2016·Granted Jan 30, 2018·2 cites·14 claims
- 0584US9720345B2Image forming apparatusCANON KK·Filed 2014·Granted Aug 1, 2017·2 cites·8 claims
- 0684US8781357B2Image forming apparatusCANON KK·Filed 2012·Granted Jul 15, 2014·3 cites·7 claims
- 0776US10254691B2Fixing device that regulates a position of an inner surface of a filmCANON KK·Filed 2018·Granted Apr 9, 2019·1 cites·15 claims
- 0875US10606195B2Image forming apparatus having a conveyance with air circulating openingCANON KK·Filed 2019·Granted Mar 31, 2020·1 cites·13 claims
- 0975US10386760B2Fixing unit including a portion-to-be-engaged provided on an openable member, the portion-to-be-engaged being spaced from or engaged with an engaging portion based on movement of the openable memberCANON KK·Filed 2018·Granted Aug 20, 2019·1 cites·17 claims
- 1075US9588474B2Image forming apparatusCANON KK·Filed 2015·Granted Mar 7, 2017·2 cites·9 claims
- 1175US9256183B2Image forming apparatus that electrically grounds the sheet cassette upon withdrawal of the sheet cassetteCANON KK·Filed 2014·Granted Feb 9, 2016·3 cites·8 claims
- 1274US10676300B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2018·Granted Jun 9, 2020·1 cites·18 claims
- 1374US9244395B2Image forming apparatus to control sheet conveyance speedCANON KK·Filed 2014·Granted Jan 26, 2016·2 cites·13 claims
- 1473US2025147448A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1572US12228865B2Image forming apparatusCANON KK·Filed 2022·Granted Feb 18, 2025·0 cites·7 claims
- 1670US11543759B2Image forming apparatusCANON KK·Filed 2020·Granted Jan 3, 2023·0 cites·15 claims
- 1770US10824088B2Image forming apparatusCANON KK·Filed 2019·Granted Nov 3, 2020·0 cites·11 claims
- 1869US10394185B2Image forming apparatusCANON KK·Filed 2018·Granted Aug 27, 2019·0 cites·20 claims
- 1967US2019204768A1Fixing device having a sealing member for preventing a contact failure between a heater contact and an electrode portionCANON KK·Filed 2019·Application pending·0 cites
- 2066US10274859B2Image forming apparatusCANON KK·Filed 2017·Granted Apr 30, 2019·0 cites·3 claims
- 2166US10146174B2Image forming apparatusCANON KK·Filed 2017·Granted Dec 4, 2018·0 cites·31 claims
- 2265US10241453B2Fixing deviceCANON KK·Filed 2017·Granted Mar 26, 2019·0 cites·18 claims
- 2363US9348301B2Image forming apparatusCANON KK·Filed 2014·Granted May 24, 2016·0 cites·96 claims
- 2462US10838357B2Image forming apparatusCANON KK·Filed 2019·Granted Nov 17, 2020·0 cites·19 claims
- 2562US10663921B2Image forming apparatus and dew condensation countermeasurement systemCANON KK·Filed 2019·Granted May 26, 2020·0 cites·15 claims
- 2662US9869964B2Image forming apparatusCANON KK·Filed 2016·Granted Jan 16, 2018·0 cites·9 claims
- 2762US9846384B2Image forming apparatusCANON KK·Filed 2016·Granted Dec 19, 2017·0 cites·3 claims
- 2861US9618883B2Image forming apparatus to control rotational speed of a rollerCANON KK·Filed 2016·Granted Apr 11, 2017·0 cites·9 claims
- 2961US2024028992A1Planning deviceTOSHIBA KK·Filed 2023·Application pending·0 cites
- 3059US12434929B2Sheet conveyance apparatus and image forming apparatusCANON KK·Filed 2023·Granted Oct 7, 2025·0 cites·18 claims
- 3158US12360489B2Image forming apparatusCANON KK·Filed 2024·Granted Jul 15, 2025·0 cites·20 claims
- 3258US10996625B2Image forming apparatus and dew condensation countermeasurement systemCANON KK·Filed 2020·Granted May 4, 2021·0 cites·10 claims
- 3358US2016103405A1Image forming apparatusCANON KK·Filed 2015·Application pending·0 cites
- 3454US10838358B2Image forming apparatus that has sheet sensorCANON KK·Filed 2018·Granted Nov 17, 2020·0 cites·20 claims
- 3553US11906923B2Image forming apparatusCANON KK·Filed 2022·Granted Feb 20, 2024·0 cites·11 claims
- 3652US2024369956A1Image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3750US12037216B2Conveyance device and image forming apparatusCANON KK·Filed 2022·Granted Jul 16, 2024·0 cites·14 claims
- 3848US11097915B2Image forming apparatusCANON KK·Filed 2018·Granted Aug 24, 2021·0 cites·16 claims
- 3934US8768202B2Image forming apparatusTANAAMI RYUJI·Filed 2011·Granted Jul 1, 2014·0 cites·12 claims
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