Inventor · disambiguated record
Shinichiro Okugawa
Also filed as: OKUGAWA SHINICHIRO
18 granted patents·1 pending application·560 citations·filing 2003–2008
95Inventor score
Top patents by PatentIndex Score
19 records- 0198US7111455B2Exhaust cleaning device of internal combustion engineDENSO CORP·Filed 2005·Granted Sep 26, 2006·103 cites·10 claims
- 0296US6758039B2Exhaust gas cleaning system having particulate filterDENSO CORP·Filed 2003·Granted Jul 6, 2004·75 cites·6 claims
- 0394US6969413B2Exhaust gas filtering system having particulate filter for internal combustion engineDENSO CORP·Filed 2003·Granted Nov 29, 2005·79 cites·35 claims
- 0494US6829889B2Exhaust gas cleaning device for internal combustion engineDENSO CORP·Filed 2003·Granted Dec 14, 2004·60 cites·7 claims
- 0592US7313913B2Exhaust gas purification system of internal combustion engineDENSO CORP·Filed 2005·Granted Jan 1, 2008·33 cites·14 claims
- 0686US7231761B2Exhaust gas purification system of internal combustion engineDENSO CORP·Filed 2005·Granted Jun 19, 2007·20 cites·20 claims
- 0783US7076944B2Exhaust gas cleaning system of internal combustion engineDENSO CORP·Filed 2004·Granted Jul 18, 2006·28 cites·16 claims
- 0882US7243491B2Exhaust gas purification system of internal combustion engineDENSO CORP·Filed 2004·Granted Jul 17, 2007·29 cites·23 claims
- 0981US7146804B2Exhaust gas cleaning system having particulate filterDENSO CORP·Filed 2003·Granted Dec 12, 2006·38 cites·18 claims
- 1078US7254941B2Exhaust gas cleaning device for internal combustion engineDENSO CORP·Filed 2005·Granted Aug 14, 2007·14 cites·16 claims
- 1175US7028467B2Exhaust emission control device for internal combustion engineDENSO CORP·Filed 2004·Granted Apr 18, 2006·22 cites·12 claims
- 1269US7703278B2Exhaust emission control device of internal combustion engineDENSO CORP·Filed 2005·Granted Apr 27, 2010·8 cites·22 claims
- 1369US7350350B2Exhaust gas purifying apparatusDENSO CORP·Filed 2005·Granted Apr 1, 2008·8 cites·12 claims
- 1469US7152392B2Exhaust gas cleaning system for internal combustion engineDENSO CORP·Filed 2003·Granted Dec 26, 2006·16 cites·16 claims
- 1565US7266944B2Exhaust gas filtering system for internal combustion engineDENSO CORP·Filed 2005·Granted Sep 11, 2007·5 cites·8 claims
- 1662US6962046B2Exhaust gas cleaning system having particulate filterDENSO CORP·Filed 2003·Granted Nov 8, 2005·17 cites·20 claims
- 1757US8151559B2Exhaust purification deviceOKUGAWA SHINICHIRO·Filed 2008·Granted Apr 10, 2012·5 cites·14 claims
- 1842US8256207B2Exhaust emission control device for internal combustion engineTAKANO ATSUSHI·Filed 2008·Granted Sep 4, 2012·0 cites·20 claims
- 1942US2004139738A1Exhaust gas purification system of internal combustion engineDENSO CORP·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Shinichiro Okugawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →