Inventor · disambiguated record
Ryoichi Nakagawa
Also filed as: NAKAGAWA RYOICHI
32 granted patents·2 pending applications·568 citations·filing 1974–2019
98Inventor score
Top patents by PatentIndex Score
34 records- 0194USD793391SHead mounted displaySEIKO EPSON CORP·Filed 2016·Granted Aug 1, 2017·55 cites·1 claims
- 0289USD749169SPrinterBROTHER IND LTD·Filed 2014·Granted Feb 9, 2016·33 cites·1 claims
- 0389USD694319STape printing machineNAKAGAWA RYOICHI·Filed 2012·Granted Nov 26, 2013·39 cites·1 claims
- 0485USD722339SPrinterNAKAGAWA RYOICHI·Filed 2013·Granted Feb 10, 2015·30 cites·1 claims
- 0585US8797613B2Image readerSATO SHOUGO·Filed 2013·Granted Aug 5, 2014·6 cites·20 claims
- 0684USD758486SPrinterBROTHER IND LTD·Filed 2014·Granted Jun 7, 2016·28 cites·1 claims
- 0783USD792359SControllerSEIKO EPSON CORP·Filed 2016·Granted Jul 18, 2017·25 cites·1 claims
- 0883USD644265SPrinterBROTHER IND LTD·Filed 2010·Granted Aug 30, 2011·30 cites·1 claims
- 0981USD749172SPrinterBROTHER IND LTD·Filed 2014·Granted Feb 9, 2016·24 cites·1 claims
- 1079USD786343SPrinterBROTHER IND LTD·Filed 2015·Granted May 9, 2017·16 cites·1 claims
- 1179USD723616SPrinterNAKAGAWA RYOICHI·Filed 2013·Granted Mar 3, 2015·23 cites·1 claims
- 1278US10288989B2Projector and panel for openingSEIKO EPSON CORP·Filed 2018·Granted May 14, 2019·2 cites·13 claims
- 1377USD792508SPrinterNAKAGAWA RYOICHI·Filed 2013·Granted Jul 18, 2017·21 cites·1 claims
- 1477USD749170SPrinterBROTHER IND LTD·Filed 2014·Granted Feb 9, 2016·20 cites·1 claims
- 1576USD749171SPrinterBROTHER IND LTD·Filed 2014·Granted Feb 9, 2016·19 cites·1 claims
- 1675US4901528ASystem for suppressing noise due to exhaust gas from motor vehicleNISSAN MOTOR·Filed 1989·Granted Feb 20, 1990·28 cites·2 claims
- 1773USD694317STape printing machineNAKAGAWA RYOICHI·Filed 2012·Granted Nov 26, 2013·18 cites·1 claims
- 1872USD749168SPrinterBROTHER IND LTD·Filed 2014·Granted Feb 9, 2016·16 cites·1 claims
- 1972USD734338SScannerBROTHER IND LTD·Filed 2014·Granted Jul 14, 2015·16 cites·1 claims
- 2071USD733712SScannerBROTHER IND LTD·Filed 2014·Granted Jul 7, 2015·15 cites·1 claims
- 2169USD733711SScannerBROTHER IND LTD·Filed 2014·Granted Jul 7, 2015·14 cites·1 claims
- 2269USD664592SPrinterNAKAGAWA RYOICHI·Filed 2011·Granted Jul 31, 2012·15 cites·1 claims
- 2368USD729310SPrinterNAKAGAWA RYOICHI·Filed 2013·Granted May 12, 2015·14 cites·1 claims
- 2467USD715356STape printing machineNAKAGAWA RYOICHI·Filed 2013·Granted Oct 14, 2014·14 cites·1 claims
- 2561USD758485SPrinterBROTHER IND LTD·Filed 2014·Granted Jun 7, 2016·10 cites·1 claims
- 2655USD790003SProjectorSEIKO EPSON CORP·Filed 2016·Granted Jun 20, 2017·7 cites·1 claims
- 2754US11137150B2PartitionDAIKIN IND LTD·Filed 2019·Granted Oct 5, 2021·0 cites·16 claims
- 2854USD656182SPrinter caseINADA TOSHIYA·Filed 2011·Granted Mar 20, 2012·8 cites·1 claims
- 2953USD791867SPrinterNAKAGAWA RYOICHI·Filed 2013·Granted Jul 11, 2017·7 cites·1 claims
- 3048US3980058AFuel feed control system of internal combustion engineNISSAN MOTOR·Filed 1974·Granted Sep 14, 1976·9 cites·7 claims
- 3147US2017020453A1Biological information detection deviceSEIKO EPSON CORP·Filed 2016·Application pending·0 cites
- 3241US2017020401A1Biological-information detecting deviceSEIKO EPSON CORP·Filed 2016·Application pending·0 cites
- 3338USD815182SLens cover for a projectorSEIKO EPSON CORP·Filed 2016·Granted Apr 10, 2018·2 cites·1 claims
- 3436US4046122AFuel feed control system of internal combustion engineNISSAN MOTOR·Filed 1976·Granted Sep 6, 1977·4 cites·5 claims
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