Inventor · disambiguated record
Yoshichika Yamada
Also filed as: YAMADA YOSHICHIKA
15 granted patents·1 pending application·343 citations·filing 1983–2007
94Inventor score
Top patents by PatentIndex Score
16 records- 0198US6971375B2Fuel vapor treatment system for internal combustion engineNIPPON SOKEN·Filed 2005·Granted Dec 6, 2005·78 cites·19 claims
- 0295US6230576B1Electrically-driven position changing apparatusDENSO CORP·Filed 1999·Granted May 15, 2001·70 cites·10 claims
- 0389US7004013B2Evaporative emission leak detection system with brushless motorDENSO CORP·Filed 2003·Granted Feb 28, 2006·31 cites·31 claims
- 0487US7219660B2Fuel vapor treatment system for internal combustion engineNIPPON SOKEN·Filed 2005·Granted May 22, 2007·12 cites·30 claims
- 0583US7350399B2Leakage detecting device for evaporating fuel processing apparatusDENSO CORP·Filed 2005·Granted Apr 1, 2008·12 cites·20 claims
- 0682US6993957B2Leak check device for evaporated fuel purging systemDENSO CORP·Filed 2004·Granted Feb 7, 2006·26 cites·9 claims
- 0782US5662008AExtended contact harmonic drive devicesTEIJIN SEIKI BOSTON INC·Filed 1995·Granted Sep 2, 1997·40 cites·5 claims
- 0880US4522372AElectromagnetic valveNIPPON DENSO CO·Filed 1983·Granted Jun 11, 1985·39 cites·2 claims
- 0966US7014439B2Vane pump having volume variable pump chambers communicatable with inlet and outletDENSO CORP·Filed 2003·Granted Mar 21, 2006·10 cites·12 claims
- 1064US7226281B2Vane pump having vanes slanted relative to rotational axisDENSO CORP·Filed 2005·Granted Jun 5, 2007·2 cites·2 claims
- 1160US7234344B2Vane pump and fuel vapor leakage check module having the sameDENSO CORP·Filed 2004·Granted Jun 26, 2007·7 cites·12 claims
- 1255US7059177B2Fuel vapor leak check moduleDENSO CORP·Filed 2004·Granted Jun 13, 2006·6 cites·5 claims
- 1353US7114372B2Fuel vapor leak check moduleDENSO CORP·Filed 2004·Granted Oct 3, 2006·5 cites·9 claims
- 1453US7107827B2Fuel vapor leak check moduleDENSO CORP·Filed 2004·Granted Sep 19, 2006·5 cites·9 claims
- 1542US7219640B2Variable air induction apparatusTOYOTA MOTOR CO LTD·Filed 2006·Granted May 22, 2007·0 cites·5 claims
- 1637US2008035094A1Integrated valve deviceDENSO CORP·Filed 2007·Application pending·0 cites
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