Inventor · disambiguated record
Izumi Nozawa
Also filed as: NOZAWA IZUMI
99 granted patents·10 pending applications·656 citations·filing 2003–2024
99Inventor score
Top patents by PatentIndex Score
109 records- 0198US10214018B2Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2015·Granted Feb 26, 2019·53 cites·26 claims
- 0298US8721059B2Printing material cartridge and printing material supply systemKODAMA HIDETOSHI·Filed 2011·Granted May 13, 2014·36 cites·24 claims
- 0398US8529036B2Liquid accommodating container and liquid ejecting apparatusKODAMA HIDETOSHI·Filed 2011·Granted Sep 10, 2013·26 cites·15 claims
- 0498US8439482B1Cartridge and printing material supply systemKODAMA HIDETOSHI·Filed 2012·Granted May 14, 2013·27 cites·30 claims
- 0598US8297739B1Cartridge and printing material supply systemKODAMA HIDETOSHI·Filed 2012·Granted Oct 30, 2012·56 cites·30 claims
- 0698US8297738B1Cartridge and printing material supply systemKODAMA HIDETOSHI·Filed 2012·Granted Oct 30, 2012·88 cites·30 claims
- 0797US8950839B2Liquid container and liquid ejecting systemNOZAWA IZUMI·Filed 2011·Granted Feb 10, 2015·18 cites·6 claims
- 0896US11020975B2Liquid ejecting apparatus and recording systemSEIKO EPSON CORP·Filed 2020·Granted Jun 1, 2021·3 cites·20 claims
- 0996US9248656B2Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2014·Granted Feb 2, 2016·7 cites·25 claims
- 1095US9308735B2CartridgeSEIKO EPSON CORP·Filed 2013·Granted Apr 12, 2016·8 cites·14 claims
- 1195US8708469B2Cartridge and printing material supply systemKODAMA HIDETOSHI·Filed 2012·Granted Apr 29, 2014·10 cites·18 claims
- 1294US9061512B2Cover and liquid containerSEIKO EPSON CORP·Filed 2013·Granted Jun 23, 2015·8 cites·24 claims
- 1394US8807721B2Cartridge and printing material supply systemNOZAWA IZUMI·Filed 2012·Granted Aug 19, 2014·6 cites·15 claims
- 1494US8752944B2Cartridge and printing material supply systemNOZAWA IZUMI·Filed 2012·Granted Jun 17, 2014·6 cites·14 claims
- 1594US8721045B2Cartridge and printing material supply systemKODAMA HIDETOSHI·Filed 2012·Granted May 13, 2014·6 cites·17 claims
- 1694US7954931B2Container holder, liquid consuming apparatus, and liquid containerSEIKO EPSON CORP·Filed 2007·Granted Jun 7, 2011·19 cites·11 claims
- 1793US8974044B2Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2014·Granted Mar 10, 2015·7 cites·10 claims
- 1893US8540347B2Recording material delivery system for recording material-consuming apparatus; circuit board; structural body; and ink cartridgeISHIZAWA TAKU·Filed 2010·Granted Sep 24, 2013·8 cites·27 claims
- 1992US9039154B2Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2014·Granted May 26, 2015·4 cites·18 claims
- 2092US8141998B2Liquid containerNOZAWA IZUMI·Filed 2007·Granted Mar 27, 2012·14 cites·31 claims
- 2192US8091995B2Liquid container, container holder and liquid consuming apparatusSHIMIZU KAZUTOSHI·Filed 2007·Granted Jan 10, 2012·16 cites·18 claims
- 2291US9649847B2CartridgeSEIKO EPSON CORP·Filed 2016·Granted May 16, 2017·3 cites·9 claims
- 2391US9233543B2Waste liquid container, attachment, waste liquid collection unit, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Jan 12, 2016·4 cites·17 claims
- 2491US8915582B2Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2013·Granted Dec 23, 2014·5 cites·9 claims
- 2590US9925778B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2017·Granted Mar 27, 2018·3 cites·11 claims
- 2689US8950853B2Method for manufacturing cartridge, filling kit, filling device, and cartridgeSEIKO EPSON CORP·Filed 2013·Granted Feb 10, 2015·5 cites·18 claims
- 2789US7828422B2Liquid containerSEIKO EPSON CORP·Filed 2008·Granted Nov 9, 2010·7 cites·6 claims
- 2887US10639904B2Liquid ejecting apparatus and method of replacing liquid ejecting headSEIKO EPSON CORP·Filed 2019·Granted May 5, 2020·2 cites·11 claims
- 2987US8136932B2Liquid storage container and liquid filling method and liquid refilling method using the sameNOZAWA IZUMI·Filed 2008·Granted Mar 20, 2012·9 cites·11 claims
- 3086US12049088B2Liquid ejecting apparatus and recording systemSEIKO EPSON CORP·Filed 2023·Granted Jul 30, 2024·0 cites·11 claims
- 3186US8322835B2Sealing structure of fluid container, and method of manufacturing and reusing fluid containerAOKI YUJI·Filed 2008·Granted Dec 4, 2012·8 cites·21 claims
- 3286USD598050SInk cartridgeSEIKO EPSON CORP·Filed 2008·Granted Aug 11, 2009·32 cites·1 claims
- 3385US9039153B2Printing apparatus and printing material supply systemSEIKO EPSON CORP·Filed 2013·Granted May 26, 2015·4 cites·19 claims
- 3483US10328719B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2016·Granted Jun 25, 2019·2 cites·10 claims
- 3583US2025026125A1Liquid ejection apparatusSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 3682US11813880B2Liquid ejection apparatus and delivery system for liquid ejection headSEIKO EPSON CORP·Filed 2022·Granted Nov 14, 2023·0 cites·8 claims
- 3782US7703902B2Liquid cartridge, contact device for contacting connection terminal portion of liquid cartridge with connector of recording apparatus, recording apparatus, and liquid consuming apparatusSEIKO EPSON CORP·Filed 2006·Granted Apr 27, 2010·6 cites·19 claims
- 3882US7367662B2Liquid containerSEIKO EPSON CORP·Filed 2004·Granted May 6, 2008·16 cites·12 claims
- 3981US10611158B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2018·Granted Apr 7, 2020·1 cites·13 claims
- 4081USD592241SInk cartridgeSEIKO EPSON CORP·Filed 2008·Granted May 12, 2009·18 cites·1 claims
- 4180US12403699B2Liquid ejection apparatusSEIKO EPSON CORP·Filed 2023·Granted Sep 2, 2025·0 cites·14 claims
- 4279US10434779B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2018·Granted Oct 8, 2019·1 cites·9 claims
- 4379US10207515B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2018·Granted Feb 19, 2019·1 cites·13 claims
- 4478US11712899B2Liquid ejecting apparatus and recording systemSEIKO EPSON CORP·Filed 2021·Granted Aug 1, 2023·0 cites·7 claims
- 4578US9033478B2Liquid accommodation body and accommodation body unitSEIKO EPSON CORP·Filed 2013·Granted May 19, 2015·2 cites·20 claims
- 4678US8950851B2Holder having detachable liquid housing container, and liquid housing containerKODAMA HIDETOSHI·Filed 2011·Granted Feb 10, 2015·2 cites·18 claims
- 4777US8083334B2Liquid storage container and refilling method using the sameNOZAWA IZUMI·Filed 2008·Granted Dec 27, 2011·4 cites·26 claims
- 4876US11560004B2Liquid ejection apparatus and delivery system for liquid ejection headSEIKO EPSON CORP·Filed 2021·Granted Jan 24, 2023·0 cites·13 claims
- 4973US8474959B2Liquid container and liquid ejecting apparatusNOZAWA IZUMI·Filed 2011·Granted Jul 2, 2013·2 cites·7 claims
- 5073US7399003B2Duct connecting structureSEIKO EPSON CORP·Filed 2005·Granted Jul 15, 2008·4 cites·7 claims
Showing the top 50 of 109 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →