Inventor · disambiguated record
Akihiko Takenaka
Also filed as: TAKENAKA AKIHIKO
29 granted patents·4 pending applications·374 citations·filing 1983–2012
97Inventor score
Top patents by PatentIndex Score
33 records- 0195US8166937B2Valve timing control apparatusYAMAGUCHI TAKASHI·Filed 2010·Granted May 1, 2012·12 cites·12 claims
- 0294US6779499B2Variable valve timing apparatusDENSO CORP·Filed 2002·Granted Aug 24, 2004·53 cites·31 claims
- 0394US6439184B1Valve timing adjusting system of internal combustion engineDENSO CORP·Filed 2002·Granted Aug 27, 2002·50 cites·16 claims
- 0486US8156906B2Valve timing controllerTAKENAKA AKIHIKO·Filed 2010·Granted Apr 17, 2012·8 cites·6 claims
- 0586US6883482B2Variable valve timing controllerNIPPON SOKEN·Filed 2004·Granted Apr 26, 2005·25 cites·10 claims
- 0684US6848401B2Valve timing adjusting deviceNIPPON SOKEN·Filed 2003·Granted Feb 1, 2005·24 cites·23 claims
- 0784US5483930AValve timing control deviceNIPPON DENSO CO·Filed 1995·Granted Jan 16, 1996·52 cites·8 claims
- 0884US4519362ARotational position detecting apparatus for internal combustion enginesNIPPON DENSO CO·Filed 1984·Granted May 28, 1985·26 cites·4 claims
- 0982US7278386B2Valve timing controllerDENSO CORP·Filed 2006·Granted Oct 9, 2007·8 cites·26 claims
- 1082US7252055B2Valve controllerTOYOTA MOTOR CO LTD·Filed 2005·Granted Aug 7, 2007·8 cites·16 claims
- 1180US6378475B2Valve timing adjusting deviceDENSCO CORP·Filed 2001·Granted Apr 30, 2002·20 cites·18 claims
- 1276US6920855B2Valve timing adjustment deviceNIPPON SOKEN·Filed 2004·Granted Jul 26, 2005·15 cites·13 claims
- 1371US8286601B2Variable valve timing apparatusHAMAOKA YASUHIRO·Filed 2010·Granted Oct 16, 2012·2 cites·8 claims
- 1469US8646424B2Variable valve timing deviceFUJIYOSHI TOSHIKI·Filed 2011·Granted Feb 11, 2014·2 cites·12 claims
- 1566US7458351B2Valve timing controllerDENSO CORP·Filed 2007·Granted Dec 2, 2008·3 cites·12 claims
- 1666US7444969B2Variable valve timing apparatusTOYOTA MOTOR CO LTD·Filed 2006·Granted Nov 4, 2008·3 cites·8 claims
- 1766US7081063B2Internal planetary gear mechanismADVICS CO LTD·Filed 2004·Granted Jul 25, 2006·10 cites·13 claims
- 1865US6799553B1Variable valve timing controllerDENSO CORP·Filed 2004·Granted Oct 5, 2004·9 cites·12 claims
- 1962US6805082B2Valve timing adjustment deviceDENSO CORP·Filed 2003·Granted Oct 19, 2004·8 cites·17 claims
- 2062US6378476B2Valve timing adjusting deviceDENSO CORP·Filed 2001·Granted Apr 30, 2002·8 cites·16 claims
- 2159US7950361B2Valve timing control apparatusDENSO CORP·Filed 2008·Granted May 31, 2011·2 cites·2 claims
- 2255US7564145B2Vehicle control apparatusTOYOTA MOTOR CO LTD·Filed 2006·Granted Jul 21, 2009·2 cites·12 claims
- 2353US8776745B2Variable valve timing apparatusHAMAOKA YASUHIRO·Filed 2012·Granted Jul 15, 2014·0 cites·9 claims
- 2453US8453614B2Variable valve timing device for internal combustion engine and manufacturing method thereforIMAMURA TOSHIO·Filed 2011·Granted Jun 4, 2013·1 cites·6 claims
- 2553US5215046ARotational phase difference adjusting meansNIPPON DENSO CO·Filed 1992·Granted Jun 1, 1993·14 cites·20 claims
- 2646US6655332B2Valve timing adjusting apparatusDENSO CORP·Filed 2003·Granted Dec 2, 2003·3 cites·10 claims
- 2743US2009178635A1Valve timing adjusterDENSO CORP·Filed 2009·Application pending·0 cites
- 2843US2009071424A1Valve timing control apparatusDENSO CORP·Filed 2008·Application pending·0 cites
- 2942US2009078222A1Valve timing control apparatusDENSO CORP·Filed 2008·Application pending·0 cites
- 3039US8631773B2Valve timing adjusterYAMAGUCHI TAKASHI·Filed 2010·Granted Jan 21, 2014·0 cites·8 claims
- 3139US2010170461A1Variable valve timing apparatusTOYOTA MOTOR CO LTD·Filed 2007·Application pending·0 cites
- 3237US4627393AIgnition distributorNIPPON DENSO CO·Filed 1985·Granted Dec 9, 1986·3 cites·6 claims
- 3332US4513609AElectromagnetic rotation detecting apparatusNIPPON DENSO CO·Filed 1983·Granted Apr 30, 1985·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →