Inventor · disambiguated record
Takumi Nagashima
Also filed as: NAGASHIMA TAKUMI
53 granted patents·9 pending applications·157 citations·filing 2013–2025
97Inventor score
Top patents by PatentIndex Score
62 records- 0199US10350896B2Ink replenishment containerSEIKO EPSON CORP·Filed 2018·Granted Jul 16, 2019·25 cites·8 claims
- 0298US11192380B2Ink bottle and bottle setSEIKO EPSON CORP·Filed 2019·Granted Dec 7, 2021·17 cites·18 claims
- 0397US11691427B2Cartridge, printing device, and printing systemSEIKO EPSON CORP·Filed 2021·Granted Jul 4, 2023·4 cites·9 claims
- 0497US9186902B2Liquid containing vesselSEIKO EPSON CORP·Filed 2014·Granted Nov 17, 2015·15 cites·18 claims
- 0593US9802418B2Liquid container and protection memberSEIKO EPSON CORP·Filed 2016·Granted Oct 31, 2017·5 cites·14 claims
- 0693US9139013B2Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2014·Granted Sep 22, 2015·9 cites·12 claims
- 0791US10239323B2Bottle setSEIKO EPSON CORP·Filed 2017·Granted Mar 26, 2019·7 cites·11 claims
- 0889US10500866B2Liquid containerSEIKO EPSON CORP·Filed 2017·Granted Dec 10, 2019·3 cites·16 claims
- 0989US10449772B2Cartridge and liquid ejection systemSEIKO EPSON CORP·Filed 2018·Granted Oct 22, 2019·3 cites·13 claims
- 1088US10675875B2Liquid containerSEIKO EPSON CORP·Filed 2018·Granted Jun 9, 2020·4 cites·13 claims
- 1185US11932022B2Ink bottle and bottle setSEIKO EPSON CORP·Filed 2023·Granted Mar 19, 2024·0 cites·15 claims
- 1284US10343412B2Liquid containerSEIKO EPSON CORP·Filed 2017·Granted Jul 9, 2019·2 cites·14 claims
- 1384US9162466B2Liquid housing body recycling method, and liquid housing containerSEIKO EPSON CORP·Filed 2014·Granted Oct 20, 2015·3 cites·6 claims
- 1483US9227415B2Liquid containing bodySEIKO EPSON CORP·Filed 2014·Granted Jan 5, 2016·3 cites·7 claims
- 1582US9434175B2Liquid storage containerSEIKO EPSON CORP·Filed 2015·Granted Sep 6, 2016·2 cites·7 claims
- 1682USD712466SInk cartridgeSEIKO EPSON CORP·Filed 2014·Granted Sep 2, 2014·27 cites·1 claims
- 1781US10538093B2Bottle set and bottleSEIKO EPSON CORP·Filed 2017·Granted Jan 21, 2020·2 cites·3 claims
- 1880US11597207B2Ink bottle and bottle setSEIKO EPSON CORP·Filed 2021·Granted Mar 7, 2023·0 cites·8 claims
- 1978US12434481B2Attachment and printing systemSEIKO EPSON CORP·Filed 2023·Granted Oct 7, 2025·0 cites·6 claims
- 2078US12138935B2Bottle set and bottleSEIKO EPSON CORP·Filed 2023·Granted Nov 12, 2024·0 cites·7 claims
- 2176US12502891B2Liquid storage container and liquid storage container setSEIKO EPSON CORP·Filed 2023·Granted Dec 23, 2025·0 cites·11 claims
- 2274US11691428B2Bottle set and bottleSEIKO EPSON CORP·Filed 2019·Granted Jul 4, 2023·0 cites·10 claims
- 2370US11807015B2CartridgeSEIKO EPSON CORP·Filed 2022·Granted Nov 7, 2023·0 cites·8 claims
- 2470US11465419B2Liquid containerSEIKO EPSON CORP·Filed 2021·Granted Oct 11, 2022·0 cites·8 claims
- 2568US10744779B2Bottle setSEIKO EPSON CORP·Filed 2019·Granted Aug 18, 2020·0 cites·10 claims
- 2664US2024424800A1Method of heat welding cartridge and sheetSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 2763USD816157SCap for an ink cartridgeSEIKO EPSON CORP·Filed 2016·Granted Apr 24, 2018·9 cites·1 claims
- 2863USD815200SInk cartridgeSEIKO EPSON CORP·Filed 2016·Granted Apr 10, 2018·9 cites·1 claims
- 2963US2018207939A1Ink bottle and bottle setSEIKO EPSON CORP·Filed 2018·Application pending·0 cites
- 3062US2025276526A1Method for manufacturing ink containerSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 3161US12311671B2Cartridge, printing system, and printing apparatusSEIKO EPSON CORP·Filed 2021·Granted May 27, 2025·0 cites·10 claims
- 3261US11878535B2CartridgeSEIKO EPSON CORP·Filed 2022·Granted Jan 23, 2024·0 cites·5 claims
- 3360US2025135787A1Cartridge, printing device, and printing systemSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 3460US2025108621A1CartridgeSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 3559US12172447B2Ink replenishment containerSEIKO EPSON CORP·Filed 2022·Granted Dec 24, 2024·0 cites·20 claims
- 3659US2025115051A1Ink cartridge and printing apparatusSEIKO EPSON CORPORAITION·Filed 2024·Application pending·0 cites
- 3757US2025121604A1Liquid containerSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 3856US11850865B2Cartridge and printing systemSEIKO EPSON CORP·Filed 2022·Granted Dec 26, 2023·0 cites·3 claims
- 3955US12377658B2Cap and cartridge unitSEIKO EPSON CORP·Filed 2023·Granted Aug 5, 2025·0 cites·4 claims
- 4055US12330426B2CartridgeSEIKO EPSON CORP·Filed 2022·Granted Jun 17, 2025·0 cites·9 claims
- 4155US11919315B2CartridgeSEIKO EPSON CORP·Filed 2022·Granted Mar 5, 2024·0 cites·6 claims
- 4255US11673398B2Cartridge, printing system, and printing deviceSEIKO EPSON CORP·Filed 2021·Granted Jun 13, 2023·0 cites·10 claims
- 4355USD809596SInk cartridgeSEIKO EPSON CORP·Filed 2016·Granted Feb 6, 2018·6 cites·1 claims
- 4454USD1061705SInk cartridgeSEIKO EPSON CORP·Filed 2022·Granted Feb 11, 2025·1 cites·1 claims
- 4553US10613475B2Packing member for liquid containerSEIKO EPSON CORP·Filed 2018·Granted Apr 7, 2020·0 cites·20 claims
- 4652US12330424B2Cartridge and printing systemSEIKO EPSON CORP·Filed 2021·Granted Jun 17, 2025·0 cites·7 claims
- 4751US9132650B2Liquid containerSEIKO EPSON CORP·Filed 2014·Granted Sep 15, 2015·0 cites·12 claims
- 4849US12240244B2Cartridge and printing systemSEIKO EPSON CORP·Filed 2022·Granted Mar 4, 2025·0 cites·4 claims
- 4948US10850525B2Liquid container and liquid ejection deviceSEIKO EPSON CORP·Filed 2019·Granted Dec 1, 2020·0 cites·5 claims
- 5048US9511595B2Liquid container and liquid supply apparatusSEIKO EPSON CORP·Filed 2015·Granted Dec 6, 2016·0 cites·10 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →