Inventor · disambiguated record
Kazuharu Tochikawa
Also filed as: TOCHIKAWA KAZUHARU
17 granted patents·222 citations·filing 2004–2020
93Inventor score
Top patents by PatentIndex Score
17 records- 0196US7254940B2Exhaust gas purification system of internal combustion engineDENSO CORP·Filed 2005·Granted Aug 14, 2007·35 cites·9 claims
- 0295US8418438B2Exhaust gas purifying device for internal combustion engineSHIMOMURA OSAMU·Filed 2010·Granted Apr 16, 2013·21 cites·6 claims
- 0393US7458206B2Exhaust gas purification system of internal combustion engineDENSO CORP·Filed 2005·Granted Dec 2, 2008·28 cites·15 claims
- 0489US6966178B2Internal combustion engine exhaust gas purification systemDENSO CORP·Filed 2004·Granted Nov 22, 2005·46 cites·12 claims
- 0582US7162867B2Exhaust gas purifying device for internal combustion engineDENSO CORP·Filed 2005·Granted Jan 16, 2007·17 cites·7 claims
- 0681US7794528B2Exhaust gas cleaning device for internal combustion engineDENSO CORP·Filed 2006·Granted Sep 14, 2010·17 cites·20 claims
- 0781US7793538B2Apparatus for diagnosing abnormal operation of pressure difference detection apparatus of internal combustion engine exhaust systemDENSO CORP·Filed 2007·Granted Sep 14, 2010·15 cites·15 claims
- 0878US7325395B2Exhaust gas purification device of internal combustion engineDENSO CORP·Filed 2006·Granted Feb 5, 2008·8 cites·14 claims
- 0976US7051519B2Exhaust gas cleaning device for internal combustion engineDENSO CORP·Filed 2005·Granted May 30, 2006·12 cites·3 claims
- 1069US7574857B2Exhaust emission control system for internal combustion engineDENSO CORP·Filed 2006·Granted Aug 18, 2009·4 cites·13 claims
- 1166US7159390B2Exhaust gas cleaner for internal combustion engine with particulate filter having heat-absorbing areaDENSO CORP·Filed 2004·Granted Jan 9, 2007·12 cites·7 claims
- 1258US7322186B2Exhaust gas purifying system for internal combustion engineDENSO CORP·Filed 2005·Granted Jan 29, 2008·4 cites·9 claims
- 1354US7624571B2Exhaust gas purifying apparatus for internal combustion engine and method for estimating collected amount of exhaust particlesDENSO CORP·Filed 2006·Granted Dec 1, 2009·3 cites·20 claims
- 1447US11333687B2Sensor unitDENSO CORP·Filed 2020·Granted May 17, 2022·0 cites·6 claims
- 1545US7841171B2Exhaust emission control device for internal combustion engineDENSO CORP·Filed 2006·Granted Nov 30, 2010·0 cites·14 claims
- 1639US11088630B2Power converterDENSO CORP·Filed 2019·Granted Aug 10, 2021·0 cites·14 claims
- 1738US7707827B2Exhaust gas purifying apparatus for internal combustion engineDENSO CORP·Filed 2006·Granted May 4, 2010·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →