Inventor · disambiguated record
Eiji Kumai
Also filed as: KUMAI EIJI
34 granted patents·5 pending applications·358 citations·filing 1991–2022
96Inventor score
Top patents by PatentIndex Score
39 records- 0195US6158839AInk jet printer with a cleaning apparatus for removing hardened ink from a nozzle plate of a print headSEIKO EPSON CORP·Filed 1996·Granted Dec 12, 2000·121 cites·47 claims
- 0290US9446613B2Medium supporting device and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Sep 20, 2016·4 cites·12 claims
- 0389US8936346B2Liquid removing device and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2013·Granted Jan 20, 2015·5 cites·14 claims
- 0489US5557306AInk jet printer with a cleaning apparatus for removing hardened ink from a nozzle plate of a print headSEIKO EPSON CORP·Filed 1993·Granted Sep 17, 1996·65 cites·6 claims
- 0587US5831655AInk jet recording apparatusSEIKO EPSON CORP·Filed 1996·Granted Nov 3, 1998·65 cites·10 claims
- 0686US8500350B2Cutter device and recording apparatusKUMAI EIJI·Filed 2009·Granted Aug 6, 2013·10 cites·12 claims
- 0783US11932005B2Transportation device and recording apparatusSEIKO EPSON CORP·Filed 2022·Granted Mar 19, 2024·0 cites·17 claims
- 0882US9446609B2Cutter device and printing apparatusSEIKO EPSON CORP·Filed 2014·Granted Sep 20, 2016·3 cites·10 claims
- 0981US9617106B2Liquid ejecting apparatus and tension applying methodSEIKO EPSON CORP·Filed 2015·Granted Apr 11, 2017·2 cites·7 claims
- 1078US8905664B2Cutter device and recording apparatusSEIKO EPSON CORP·Filed 2013·Granted Dec 9, 2014·2 cites·16 claims
- 1178US8678690B2Cutter device and printing apparatusSEIKO EPSON CORP·Filed 2013·Granted Mar 25, 2014·2 cites·7 claims
- 1276US5481284APrinter having line-type ink jet recording headSEIKO EPSON CORP·Filed 1993·Granted Jan 2, 1996·36 cites·26 claims
- 1375US8459887B2Cutter device and printing apparatusYAMASHITA NORIHIRO·Filed 2009·Granted Jun 11, 2013·3 cites·8 claims
- 1473US11413885B2Transportation device and recording apparatusSEIKO EPSON CORP·Filed 2020·Granted Aug 16, 2022·0 cites·10 claims
- 1571US9010921B2Printing apparatusSEIKO EPSON CORP·Filed 2013·Granted Apr 21, 2015·1 cites·13 claims
- 1665US8016502B2Cutter device and recording apparatusSEIKO EPSON CORP·Filed 2009·Granted Sep 13, 2011·2 cites·5 claims
- 1764US10543702B2Transportation device and recording apparatusSEIKO EPSON CORP·Filed 2016·Granted Jan 28, 2020·0 cites·7 claims
- 1858US10150314B2Liquid ejecting apparatus and tension applying methodSEIKO EPSON CORP·Filed 2017·Granted Dec 11, 2018·0 cites·8 claims
- 1958US9346289B2Printing apparatusSEIKO EPSON CORP·Filed 2015·Granted May 24, 2016·0 cites·7 claims
- 2057US9096075B2Printing apparatusSEIKO EPSON CORP·Filed 2013·Granted Aug 4, 2015·0 cites·7 claims
- 2156US9302501B2Printing apparatusSEIKO EPSON CORP·Filed 2015·Granted Apr 5, 2016·0 cites·3 claims
- 2255US6113289ADot recording deviceSEIKO EPSON CORP·Filed 1999·Granted Sep 5, 2000·15 cites·18 claims
- 2354US6183152B1Printer with improved paper handling mechanismSEIKO EPSON CORP·Filed 1998·Granted Feb 6, 2001·14 cites·11 claims
- 2454US2013052601A1Transportation device and recording apparatusKUMAI EIJI·Filed 2012·Application pending·0 cites
- 2553US9682575B2Liquid discharging apparatusSEIKO EPSON CORP·Filed 2015·Granted Jun 20, 2017·0 cites·7 claims
- 2652US9387699B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2014·Granted Jul 12, 2016·0 cites·8 claims
- 2752US9302503B2Recording apparatusSEIKO EPSON CORP·Filed 2014·Granted Apr 5, 2016·0 cites·12 claims
- 2852US5313248AHeat protection of photosensitive elements in image formation apparatusSEIKO EPSON CORP·Filed 1991·Granted May 17, 1994·3 cites·17 claims
- 2951US9085174B2Recording apparatusSEIKO EPSON CORP·Filed 2014·Granted Jul 21, 2015·0 cites·9 claims
- 3049US9278551B2Liquid discharge apparatusSEIKO EPSON CORP·Filed 2015·Granted Mar 8, 2016·0 cites·6 claims
- 3147US9527312B2Liquid discharging apparatusSEIKO EPSON CORP·Filed 2015·Granted Dec 27, 2016·0 cites·11 claims
- 3247US9487030B2Medium holding member and recording apparatusSEIKO EPSON CORP·Filed 2015·Granted Nov 8, 2016·0 cites·14 claims
- 3347US8985760B2Medium transport apparatus and recording apparatusSEIKO EPSON CORP·Filed 2013·Granted Mar 24, 2015·0 cites·12 claims
- 3446US2011052300A1Cutting apparatus and recording apparatusSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 3543US9908348B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Mar 6, 2018·0 cites·8 claims
- 3640US2015240397A1Mesh member, method of producing mesh member, and liquid discharging apparatusSEIKO EPSON CORP·Filed 2015·Application pending·0 cites
- 3737US2017165983A1Print apparatusSEIKO EPSON CORP·Filed 2016·Application pending·0 cites
- 3835US5779377APrinting apparatusSEIKO EPSON CORP·Filed 1996·Granted Jul 14, 1998·5 cites·6 claims
- 3933US2017282612A1Liquid ejecting apparatus and assembling method of liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Application pending·0 cites
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