Inventor · disambiguated record
Kazumasa Harada
Also filed as: HARADA KAZUMASA
53 granted patents·12 pending applications·737 citations·filing 1980–2023
98Inventor score
Top patents by PatentIndex Score
65 records- 0199US7008053B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2005·Granted Mar 7, 2006·78 cites·39 claims
- 0298US10214018B2Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2015·Granted Feb 26, 2019·53 cites·26 claims
- 0398US8439482B1Cartridge and printing material supply systemKODAMA HIDETOSHI·Filed 2012·Granted May 14, 2013·27 cites·30 claims
- 0498US8297739B1Cartridge and printing material supply systemKODAMA HIDETOSHI·Filed 2012·Granted Oct 30, 2012·56 cites·30 claims
- 0598US8297738B1Cartridge and printing material supply systemKODAMA HIDETOSHI·Filed 2012·Granted Oct 30, 2012·88 cites·30 claims
- 0698US7244018B2Ink cartridge having retaining structure and memorySEIKO EPSON CORP·Filed 2005·Granted Jul 17, 2007·29 cites·120 claims
- 0797US7686441B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2008·Granted Mar 30, 2010·30 cites·19 claims
- 0896US9248656B2Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2014·Granted Feb 2, 2016·7 cites·25 claims
- 0995US8708469B2Cartridge and printing material supply systemKODAMA HIDETOSHI·Filed 2012·Granted Apr 29, 2014·10 cites·18 claims
- 1095US7802877B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2007·Granted Sep 28, 2010·13 cites·12 claims
- 1195US4614019AFilm loading method and apparatusFUJI PHOTO FILM CO LTD·Filed 1984·Granted Sep 30, 1986·42 cites·6 claims
- 1294US8807721B2Cartridge and printing material supply systemNOZAWA IZUMI·Filed 2012·Granted Aug 19, 2014·6 cites·15 claims
- 1394US8752944B2Cartridge and printing material supply systemNOZAWA IZUMI·Filed 2012·Granted Jun 17, 2014·6 cites·14 claims
- 1494US8721045B2Cartridge and printing material supply systemKODAMA HIDETOSHI·Filed 2012·Granted May 13, 2014·6 cites·17 claims
- 1594US6979079B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2003·Granted Dec 27, 2005·49 cites·84 claims
- 1693US8974044B2Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2014·Granted Mar 10, 2015·7 cites·10 claims
- 1792US9321272B2Liquid supply unit mounting mechanism and liquid supply unitSEIKO EPSON CORP·Filed 2014·Granted Apr 26, 2016·3 cites·17 claims
- 1892US9039154B2Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2014·Granted May 26, 2015·4 cites·18 claims
- 1992US7018027B2Inkjet recording apparatus and ink cartridgeSEIKO EPSON CORP·Filed 2003·Granted Mar 28, 2006·40 cites·19 claims
- 2091US8915582B2Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2013·Granted Dec 23, 2014·5 cites·9 claims
- 2191US7830564B2Method of obtaining correction value of optical sensor and recording apparatusSEIKO EPSON CORP·Filed 2006·Granted Nov 9, 2010·14 cites·16 claims
- 2291US7669993B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2007·Granted Mar 2, 2010·8 cites·64 claims
- 2389US7237883B2Ink cartridge having positioning structure and recording apparatus for receiving the ink cartridgeSEIKO EPSON CORP·Filed 2005·Granted Jul 3, 2007·7 cites·34 claims
- 2486US8641032B2Recording deviceNAKAMURA KAZUHISA·Filed 2012·Granted Feb 4, 2014·5 cites·2 claims
- 2585US9039153B2Printing apparatus and printing material supply systemSEIKO EPSON CORP·Filed 2013·Granted May 26, 2015·4 cites·19 claims
- 2680US7438401B2Inkjet recording apparatus and ink cartridgeSEIKO EPSON CORP·Filed 2004·Granted Oct 21, 2008·20 cites·6 claims
- 2778US9957933B2In-vehicle engine control apparatusMITSUBISHI ELECTRIC CORP·Filed 2016·Granted May 1, 2018·2 cites·16 claims
- 2878US7150520B2Printing apparatus and ink cartridge thereforSEIKO EPSON CORP·Filed 2003·Granted Dec 19, 2006·14 cites·52 claims
- 2975US8820869B2Recording deviceSEIKO EPSON CORP·Filed 2013·Granted Sep 2, 2014·2 cites·6 claims
- 3075US8123343B2Printing apparatus and ink cartridge thereforSHINADA SATOSHI·Filed 2009·Granted Feb 28, 2012·3 cites·2 claims
- 3173US8528892B2Recording apparatusNAKAMURA KAZUHISA·Filed 2012·Granted Sep 10, 2013·3 cites·2 claims
- 3273US7240990B2Ink cartridgeSEIKO EPSON CORP·Filed 2003·Granted Jul 10, 2007·14 cites·12 claims
- 3370US7553005B2Printing apparatus and ink cartridge thereforSEIKO EPSON CORP·Filed 2006·Granted Jun 30, 2009·2 cites·9 claims
- 3466US8899725B2Recording apparatusSEIKO EPSON CORP·Filed 2013·Granted Dec 2, 2014·1 cites·9 claims
- 3565US7690784B2Platen and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2006·Granted Apr 6, 2010·2 cites·2 claims
- 3664US4656737AFilm loading apparatusFUJI PHOTO FILM CO LTD·Filed 1986·Granted Apr 14, 1987·17 cites·3 claims
- 3763US9950537B2Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2016·Granted Apr 24, 2018·0 cites·7 claims
- 3863US2019084311A1Liquid Supply UnitSEIKO EPSON CORP·Filed 2018·Application pending·0 cites
- 3962US7452063B2Inkjet recording apparatus and ink cartridgeSEIKO EPSON CORP·Filed 2004·Granted Nov 18, 2008·7 cites·50 claims
- 4061US2015077486A1Cartridge and printing material supply systemSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 4160US10016994B2Recording apparatusSEIKO EPSON CORP·Filed 2017·Granted Jul 10, 2018·0 cites·2 claims
- 4260US4346852AWeb winding deviceFUJI PHOTO FILM CO LTD·Filed 1980·Granted Aug 31, 1982·12 cites·7 claims
- 4358US6705979B1Method of and apparatus for machining web-shaped workpiece and apparatus for processing scrapFUJI PHOTO FILM CO LTD·Filed 1999·Granted Mar 16, 2004·10 cites·10 claims
- 4457US4862579AApparatus for adhering ribbons to cartridge shell plateFUJI PHOTO FILM CO LTD·Filed 1987·Granted Sep 5, 1989·6 cites·5 claims
- 4557US2015183248A1Recording apparatusSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 4655US2016193846A1Liquid Supply UnitSEIKO EPSON CORP·Filed 2016·Application pending·0 cites
- 4754US9527289B2Recording deviceSEIKO EPSON CORP·Filed 2013·Granted Dec 27, 2016·0 cites·15 claims
- 4854US2009271811A1Recording apparatusSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 4953US12028488B2Recording device and control method to perform maintenance, transport correction, or discharge correction based upon a captured imageSEIKO EPSON CORP·Filed 2023·Granted Jul 2, 2024·0 cites·11 claims
- 5051US2015151545A1Recording deviceSEIKO EPSON CORP·Filed 2015·Application pending·0 cites
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →