Inventor · disambiguated record
Shimpei Yoshikawa
Also filed as: YOSHIKAWA SHIMPEI
25 granted patents·14 pending applications·23 citations·filing 2011–2025
92Inventor score
Top patents by PatentIndex Score
39 records- 0196US11433677B2Liquid storage device and liquid filling methodCANON KK·Filed 2020·Granted Sep 6, 2022·3 cites·11 claims
- 0293US9718274B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2016·Granted Aug 1, 2017·5 cites·12 claims
- 0392US9770911B2Liquid ejection head and liquid ejection apparatus with beam-shaped members in flow passageCANON KK·Filed 2016·Granted Sep 26, 2017·5 cites·7 claims
- 0491US2025353302A1Liquid discharge head and liquid discharge apparatusCANON KK·Filed 2025·Application pending·0 cites
- 0590US11192381B2Liquid ejection apparatus and liquid filling methodCANON KK·Filed 2020·Granted Dec 7, 2021·2 cites·7 claims
- 0690US2025360723A1Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2025·Application pending·0 cites
- 0788US9884485B2Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2016·Granted Feb 6, 2018·3 cites·14 claims
- 0884US11660867B2Liquid ejection headCANON KK·Filed 2020·Granted May 30, 2023·1 cites·12 claims
- 0984US9902163B2Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2016·Granted Feb 27, 2018·2 cites·13 claims
- 1082US9221259B2Liquid ejection head and manufacturing method thereofCANON KK·Filed 2015·Granted Dec 29, 2015·2 cites·11 claims
- 1181US2025214348A1Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1280US12397559B2Liquid discharge head and liquid discharge apparatusCANON KK·Filed 2023·Granted Aug 26, 2025·0 cites·18 claims
- 1380US12285955B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2023·Granted Apr 29, 2025·0 cites·13 claims
- 1480US2023249458A1Liquid discharge head, recording device, and recovery methodCANON KK·Filed 2023·Application pending·0 cites
- 1579US12415365B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2023·Granted Sep 16, 2025·0 cites·20 claims
- 1677US2025303739A1Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1777US2025303741A1Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1877US2025303737A1Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1974US12097699B2Liquid discharge head and liquid discharge apparatusCANON KK·Filed 2023·Granted Sep 24, 2024·0 cites·10 claims
- 2073US2025289220A1Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2171US12384160B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2023·Granted Aug 12, 2025·0 cites·24 claims
- 2271US2021197562A1Liquid discharge head, recording device, and recovery methodCANON KK·Filed 2020·Application pending·0 cites
- 2366US11787189B2Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2021·Granted Oct 17, 2023·0 cites·18 claims
- 2466US11724509B2Liquid supply member and liquid discharge headCANON KK·Filed 2021·Granted Aug 15, 2023·0 cites·14 claims
- 2562US12454136B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2023·Granted Oct 28, 2025·0 cites·14 claims
- 2662US12358295B2Liquid ejection apparatusCANON KK·Filed 2023·Granted Jul 15, 2025·0 cites·17 claims
- 2762US10569565B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2018·Granted Feb 25, 2020·0 cites·15 claims
- 2860US11458732B2Liquid ejection head and manufacturing method of liquid ejection headCANON KK·Filed 2020·Granted Oct 4, 2022·0 cites·18 claims
- 2959US2025178356A1Liquid discharge head and liquid discharge apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3058US2024375406A1Liquid discharge headCANON KK·Filed 2024·Application pending·0 cites
- 3158US2024375397A1Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3257US12415364B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2022·Granted Sep 16, 2025·0 cites·13 claims
- 3354US12251934B2Liquid ejection headCANON KK·Filed 2022·Granted Mar 18, 2025·0 cites·12 claims
- 3454US9981476B2Liquid discharge headCANON KK·Filed 2016·Granted May 29, 2018·0 cites·18 claims
- 3553US11192370B2Liquid ejection headCANON KK·Filed 2020·Granted Dec 7, 2021·0 cites·11 claims
- 3652US2023191797A1Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2022·Application pending·0 cites
- 3746US11077658B2Liquid ejection head and method of manufacturing the sameCANON KK·Filed 2019·Granted Aug 3, 2021·0 cites·8 claims
- 3844US10150295B2Liquid ejection head and method for manufacturing the sameCANON KK·Filed 2017·Granted Dec 11, 2018·0 cites·15 claims
- 3937US2011255587A1Reception device and scrambling code decoding methodFUJITSU LTD·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →