Inventor · disambiguated record
Kouhei Iwai
Also filed as: IWAI KOUHEI
17 granted patents·140 citations·filing 1999–2014
92Inventor score
Top patents by PatentIndex Score
17 records- 0194US9932883B2Spark-ignition direct-injection engineMAZDA MOTOR·Filed 2013·Granted Apr 3, 2018·21 cites·16 claims
- 0294US8838364B2Control device of spark-ignition gasoline engineNAGATSU KAZUHIRO·Filed 2012·Granted Sep 16, 2014·20 cites·16 claims
- 0391US8783227B2Engine control method and apparatusYAMAKAWA MASAHISA·Filed 2011·Granted Jul 22, 2014·12 cites·14 claims
- 0488US8655572B2Control device of spark-ignition gasoline engineIWAI KOUHEI·Filed 2012·Granted Feb 18, 2014·14 cites·16 claims
- 0587US9702316B2Spark-ignition direct injection engineMAZDA MOTOR·Filed 2013·Granted Jul 11, 2017·8 cites·14 claims
- 0683US8459021B2Method and apparatus for controlling supercharged engineYAMAKAWA MASAHISA·Filed 2011·Granted Jun 11, 2013·6 cites·8 claims
- 0781US6044824AFuel control unit and fuel injection control method for multi-cylinder engineMAZDA MOTOR·Filed 1999·Granted Apr 4, 2000·41 cites·23 claims
- 0878US9429087B2Spark ignition engineMAZDA MOTOR·Filed 2013·Granted Aug 30, 2016·4 cites·16 claims
- 0974US8706382B2Control device of spark-ignition gasoline engineOBA SHUJI·Filed 2012·Granted Apr 22, 2014·5 cites·13 claims
- 1071US9695770B2Control device of spark-ignition engineMAZDA MOTOR·Filed 2014·Granted Jul 4, 2017·2 cites·12 claims
- 1167US9617945B2Control device of spark-ignition engineMAZDA MOTOR·Filed 2014·Granted Apr 11, 2017·3 cites·8 claims
- 1263US9255539B2Spark-ignition direct injection engineMAZDA MOTOR·Filed 2013·Granted Feb 9, 2016·1 cites·7 claims
- 1360US9624868B2Spark-ignition direct injection engineMAZDA MOTOR·Filed 2013·Granted Apr 18, 2017·1 cites·13 claims
- 1460US9470174B2Control system and control method of spark ignition gasoline engineMAZDA MOTOR·Filed 2012·Granted Oct 18, 2016·1 cites·9 claims
- 1558US8402749B2Control method of spark-ignition engine and spark-ignition engine systemYAMAKAWA MASAHISA·Filed 2010·Granted Mar 26, 2013·1 cites·17 claims
- 1644US9261041B2Spark-ignition direct injection engineMAZDA MOTOR·Filed 2013·Granted Feb 16, 2016·0 cites·8 claims
- 1744US9145843B2Spark-ignition direct injection engineMAZDA MOTOR·Filed 2013·Granted Sep 29, 2015·0 cites·7 claims
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