Inventor · disambiguated record
Keizo Iwama
Also filed as: IWAMA KEIZO
15 granted patents·5 pending applications·113 citations·filing 2004–2025
92Inventor score
Top patents by PatentIndex Score
20 records- 0192US8382884B2Particulate matter detection deviceHONDA MOTOR CO LTD·Filed 2010·Granted Feb 26, 2013·14 cites·5 claims
- 0288US8176768B2Particulate matter detection deviceKONDO ATSUO·Filed 2009·Granted May 15, 2012·22 cites·20 claims
- 0381US8482288B2Particulate matter detection device and inspection method of the particulate matter detection deviceYOKOI SHOJI·Filed 2010·Granted Jul 9, 2013·5 cites·19 claims
- 0480US7043902B2Exhaust gas purification systemHONDA MOTOR CO LTD·Filed 2004·Granted May 16, 2006·20 cites·12 claims
- 0577US7374728B2Exhaust gas purification systemHONDA MOTOR CO LTD·Filed 2004·Granted May 20, 2008·16 cites·9 claims
- 0675US7507934B2Plasma generation electrode, plasma reactor, and exhaust gas cleaning apparatusNGK INSULATORS LTD·Filed 2007·Granted Mar 24, 2009·10 cites·11 claims
- 0775US7207169B2System and method for purifying an exhaust gasHONDA MOTOR CO LTD·Filed 2005·Granted Apr 24, 2007·7 cites·14 claims
- 0873US7464538B2Exhaust gas purifying apparatusHONDA MOTOR CO LTD·Filed 2006·Granted Dec 16, 2008·6 cites·4 claims
- 0970US8633683B2Apparatus with abnormality determination function and method for determining abnormalityYOKOI SHOJI·Filed 2011·Granted Jan 21, 2014·2 cites·6 claims
- 1068US2025266478A1Regenerative fuel cell systemHONDA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 1164US7727489B2Plasma reactorNGK INSULATORS LTD·Filed 2006·Granted Jun 1, 2010·1 cites·12 claims
- 1258US7700051B2Apparatus and method of treating exhaust gasNGK INSULATORS LTD·Filed 2004·Granted Apr 20, 2010·3 cites·17 claims
- 1351US7648683B2Plasma generating electrode, plasma generator, and exhaust gas purifying deviceNGK INSULATORS LTD·Filed 2004·Granted Jan 19, 2010·7 cites·13 claims
- 1446US2008105567A1Sensing device and methodHONDA MOTOR CO LTD·Filed 2007·Application pending·0 cites
- 1544US2007247076A1Plasma generating electrode and plasma reactorHONDA MOTOR CO LTD·Filed 2007·Application pending·0 cites
- 1643US10662822B2Heat cycle systemHONDA MOTOR CO LTD·Filed 2018·Granted May 26, 2020·0 cites·6 claims
- 1742US8539817B2Particulate matter detection deviceKONDO ATSUO·Filed 2011·Granted Sep 24, 2013·0 cites·12 claims
- 1839US8820139B2Particulate matter detection deviceTOKUDA MASAHIRO·Filed 2011·Granted Sep 2, 2014·0 cites·11 claims
- 1937US2012047993A1Particulate matter detection deviceTOKUDA MASAHIRO·Filed 2011·Application pending·0 cites
- 2037US2011320171A1Failure detection device for exhaust gas purification filterOKAYAMA TATSUYA·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →