Inventor · disambiguated record
Keita Nakagawa
Also filed as: NAKAGAWA KEITA
9 granted patents·3 pending applications·27 citations·filing 2002–2019
82Inventor score
Files withNAKAGAWA KEITA3NGK SPARK PLUG CO2SHIBATA TSUTOMU2ENEOS MAT CORPORATION1KURIBAYASHI MAKOTO1
Top patents by PatentIndex Score
12 records- 0181US8692921B2Imaging apparatus and display apparatus capable of changing the angle of a display unitNAKAGAWA KEITA·Filed 2011·Granted Apr 8, 2014·8 cites·17 claims
- 0269US7713393B2Gas sensor and method for manufacturing the sameNGK SPARK PLUG CO·Filed 2005·Granted May 11, 2010·3 cites·7 claims
- 0363US6988935B2Foreign matter removing device and methodMITSUBISHI HEAVY IND LTD·Filed 2002·Granted Jan 24, 2006·11 cites·13 claims
- 0462US8242672B2Spark plug having a fixation assisting member for the insulatorKURIBAYASHI MAKOTO·Filed 2009·Granted Aug 14, 2012·3 cites·10 claims
- 0560US8217563B2Spark plug for internal combustion engine and method of manufacturing the sameSHIBATA TSUTOMU·Filed 2009·Granted Jul 10, 2012·2 cites·14 claims
- 0658US12018152B2Polybutadiene composition and method for producing sameENEOS MAT CORPORATION·Filed 2019·Granted Jun 25, 2024·0 cites·8 claims
- 0754US8294345B2Spark plug and resistor compositionYOSHIDA HARUKI·Filed 2009·Granted Oct 23, 2012·0 cites·7 claims
- 0848US8492962B2Spark plug for internal combustion engineSHIBATA TSUTOMU·Filed 2009·Granted Jul 23, 2013·0 cites·11 claims
- 0941US10968881B2Spark plugNGK SPARK PLUG CO·Filed 2017·Granted Apr 6, 2021·0 cites·6 claims
- 1037US2008210156A1Casting method for polycrystalline siliconSASATANI KENICHI·Filed 2008·Application pending·0 cites
- 1135US2013093946A1Display apparatusNAKAGAWA KEITA·Filed 2012·Application pending·0 cites
- 1232US2012176022A1Spark plugNAKAGAWA KEITA·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →