Inventor · disambiguated record
Yuma Fukuzawa
Also filed as: FUKUZAWA YUMA
62 granted patents·3 pending applications·51 citations·filing 2011–2023
97Inventor score
Top patents by PatentIndex Score
65 records- 0196US11225072B2Liquid ejecting head and liquid ejecting systemSEIKO EPSON CORP·Filed 2020·Granted Jan 18, 2022·3 cites·15 claims
- 0296US9144980B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2013·Granted Sep 29, 2015·10 cites·4 claims
- 0394US11331917B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2021·Granted May 17, 2022·2 cites·17 claims
- 0494US9132637B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Sep 15, 2015·5 cites·7 claims
- 0592US11104128B2Liquid ejecting head and liquid ejecting systemSEIKO EPSON CORP·Filed 2019·Granted Aug 31, 2021·3 cites·18 claims
- 0692US10870274B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2017·Granted Dec 22, 2020·3 cites·20 claims
- 0792US9533505B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Jan 3, 2017·3 cites·6 claims
- 0891US10894408B2Liquid discharging head and liquid discharging apparatusSEIKO EPSON CORP·Filed 2019·Granted Jan 19, 2021·3 cites·20 claims
- 0989US11007789B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2019·Granted May 18, 2021·2 cites·4 claims
- 1088US9662882B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2016·Granted May 30, 2017·2 cites·30 claims
- 1182US8523326B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2012·Granted Sep 3, 2013·3 cites·6 claims
- 1281US9308727B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Apr 12, 2016·2 cites·8 claims
- 1379US10906311B2Liquid ejecting head, liquid ejecting apparatus, and manufacturing method thereofSEIKO EPSON CORP·Filed 2019·Granted Feb 2, 2021·1 cites·18 claims
- 1478US11738557B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2022·Granted Aug 29, 2023·0 cites·15 claims
- 1578US9751307B2Piezoelectric device, liquid ejection head, and liquid ejection apparatusSEIKO EPSON CORP·Filed 2016·Granted Sep 5, 2017·1 cites·19 claims
- 1678US9340019B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted May 17, 2016·2 cites·4 claims
- 1775US8944565B2Liquid ejecting head and liquid ejecting apparatusGAO YUE·Filed 2012·Granted Feb 3, 2015·2 cites·2 claims
- 1873US11766862B2Liquid ejecting head and liquid ejecting systemSEIKO EPSON CORP·Filed 2021·Granted Sep 26, 2023·0 cites·16 claims
- 1973US11618265B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2021·Granted Apr 4, 2023·0 cites·14 claims
- 2073US8313175B2Liquid ejecting headMIYATA YOSHINAO·Filed 2011·Granted Nov 20, 2012·2 cites·4 claims
- 2172US10639898B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2018·Granted May 5, 2020·0 cites·20 claims
- 2272US9375921B2Piezoelectric element, liquid ejecting head, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Jun 28, 2016·1 cites·3 claims
- 2368US12076991B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2022·Granted Sep 3, 2024·0 cites·20 claims
- 2468US8801154B2Liquid ejection head and liquid ejection apparatusSEIKO EPSON CORP·Filed 2013·Granted Aug 12, 2014·1 cites·3 claims
- 2565US12269265B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2023·Granted Apr 8, 2025·0 cites·17 claims
- 2665US11577509B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2021·Granted Feb 14, 2023·0 cites·17 claims
- 2765US10195858B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2016·Granted Feb 5, 2019·0 cites·5 claims
- 2863US12311666B2Liquid ejecting head, liquid ejecting apparatus, and nozzle substrateSEIKO EPSON CORP·Filed 2023·Granted May 27, 2025·0 cites·8 claims
- 2963US11491785B2Liquid ejecting head and liquid ejecting systemSEIKO EPSON CORP·Filed 2020·Granted Nov 8, 2022·0 cites·17 claims
- 3063US9962935B2Piezoelectric device, liquid ejection head, and liquid ejection apparatusSEIKO EPSON CORP·Filed 2017·Granted May 8, 2018·0 cites·4 claims
- 3162US10987928B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2017·Granted Apr 27, 2021·0 cites·29 claims
- 3261US2015109375A1Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 3360US9308724B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Apr 12, 2016·0 cites·4 claims
- 3458US11345151B2Liquid discharge head and liquid discharge apparatusSEIKO EPSON CORP·Filed 2020·Granted May 31, 2022·0 cites·15 claims
- 3557US12370796B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2023·Granted Jul 29, 2025·0 cites·15 claims
- 3657US11766865B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2022·Granted Sep 26, 2023·0 cites·14 claims
- 3756US11833818B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2021·Granted Dec 5, 2023·0 cites·17 claims
- 3856US10946656B2Liquid ejection head and liquid ejection apparatusSEIKO EPSON CORP·Filed 2019·Granted Mar 16, 2021·0 cites·18 claims
- 3955US12491714B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2023·Granted Dec 9, 2025·0 cites·15 claims
- 4055US12202266B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2023·Granted Jan 21, 2025·0 cites·17 claims
- 4154US10857795B2Liquid ejection head, liquid ejection apparatus, and method of manufacturing liquid ejection headSEIKO EPSON CORP·Filed 2019·Granted Dec 8, 2020·0 cites·17 claims
- 4254US10807366B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2019·Granted Oct 20, 2020·0 cites·7 claims
- 4354US10723129B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2019·Granted Jul 28, 2020·0 cites·19 claims
- 4452US12370795B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2023·Granted Jul 29, 2025·0 cites·20 claims
- 4551US9566787B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2014·Granted Feb 14, 2017·0 cites·10 claims
- 4650US12138925B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2021·Granted Nov 12, 2024·0 cites·11 claims
- 4750US11413863B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2019·Granted Aug 16, 2022·0 cites·7 claims
- 4850US10105952B2Method for manufacturing liquid ejecting head and liquid ejecting headSEIKO EPSON CORP·Filed 2017·Granted Oct 23, 2018·0 cites·12 claims
- 4950US9463611B2Method of manufacturing liquid ejecting headSEIKO EPSON CORP·Filed 2014·Granted Oct 11, 2016·0 cites·10 claims
- 5049US11548280B2Liquid ejecting head and liquid ejecting systemSEIKO EPSON CORP·Filed 2020·Granted Jan 10, 2023·0 cites·14 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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