Inventor · disambiguated record
Masayasu Ushida
Also filed as: USHIDA MASAYASU
24 granted patents·2 pending applications·525 citations·filing 1985–2010
97Inventor score
Top patents by PatentIndex Score
26 records- 0196US5823152AControl apparatus for varying a rotational or angular phase between two rotational shafts, preferably applicable to a valve timing control apparatus for an internal combustion engineNIPPON DENSO CO·Filed 1996·Granted Oct 20, 1998·74 cites·10 claims
- 0294US7182052B2Valve timing controllerNIPPON SOKEN·Filed 2005·Granted Feb 27, 2007·28 cites·23 claims
- 0392US5666914AVane type angular phase adjusting deviceNIPPON DENSO CO·Filed 1995·Granted Sep 16, 1997·61 cites·19 claims
- 0488US7290510B2Valve timing adjusting apparatusDENSO CORP·Filed 2006·Granted Nov 6, 2007·13 cites·9 claims
- 0588US5109828AApparatus for supplying high voltage to spark plug of internal combustion engineNIPPON DENSO CO·Filed 1991·Granted May 5, 1992·41 cites·18 claims
- 0685US7931000B2Valve timing controllerDENSO CORP·Filed 2007·Granted Apr 26, 2011·10 cites·11 claims
- 0785US6311654B1Valve timing adjusting deviceDENSO CORP·Filed 1999·Granted Nov 6, 2001·34 cites·13 claims
- 0885US5836276ARotational phase adjusting apparatus having fluid reservoirDENSO CORP·Filed 1997·Granted Nov 17, 1998·41 cites·13 claims
- 0983US5462022AValve timing control apparatus having cylinder discriminating functionNIPPON DENSO CO·Filed 1994·Granted Oct 31, 1995·37 cites·6 claims
- 1081US5875750ARotational phase adjusting apparatus resin sealDENSO CORP·Filed 1997·Granted Mar 2, 1999·39 cites·11 claims
- 1179US5960757AControlling apparatus for varying a rotational or angular phase between two rotational shaftsNIPPON DENSO CO·Filed 1998·Granted Oct 5, 1999·28 cites·12 claims
- 1277US6334414B1Valve timing adjusting apparatusDENSO CORP·Filed 2000·Granted Jan 1, 2002·20 cites·34 claims
- 1375US8327813B2Valve timing control apparatusTADA KENJI·Filed 2010·Granted Dec 11, 2012·3 cites·10 claims
- 1475US7506621B2Valve timing control systemDENSO CORP·Filed 2007·Granted Mar 24, 2009·6 cites·7 claims
- 1572US7506622B2Valve timing control systemDENSO CORP·Filed 2007·Granted Mar 24, 2009·7 cites·22 claims
- 1671US6006709AControl apparatus for varying a rotational or angular phase between two rotational shafts, preferably applicable to a valve timing control apparatus for an internal combustion engineNIPPON DENSO CO·Filed 1999·Granted Dec 28, 1999·20 cites·13 claims
- 1760US6155221AControl apparatus for varying a rotational or angular phase between two rotational shafts, preferably applicable to a valve timing control apparatus for an internal combustion engineNIPPON DENSO CO·Filed 1999·Granted Dec 5, 2000·14 cites·6 claims
- 1858US6439183B1Valve timing adjusting deviceDENSO CORP·Filed 2001·Granted Aug 27, 2002·7 cites·7 claims
- 1958US6199524B1Control apparatus for varying a rotational or angular phase between two rotational shaftsNIPPON DENSO CO·Filed 1998·Granted Mar 13, 2001·14 cites·6 claims
- 2055US5947067AValve timing adjustment deviceDENSO CORP·Filed 1998·Granted Sep 7, 1999·16 cites·14 claims
- 2151US7610884B2Valve timing control systemDENSO CORP·Filed 2007·Granted Nov 3, 2009·1 cites·12 claims
- 2250US6615487B2Method for manufacturing valve timing adjusting apparatusDENSO CORP·Filed 2001·Granted Sep 9, 2003·4 cites·17 claims
- 2343US2009145386A1Valve timing adjusting apparatusDENSO CORP·Filed 2008·Application pending·0 cites
- 2442US4620513ARotational position detecting device for internal combustion engineNIPPON DENSO CO·Filed 1985·Granted Nov 4, 1986·5 cites·6 claims
- 2541US2008173267A1Valve timing control apparatusDENSO CORP·Filed 2007·Application pending·0 cites
- 2627US4869216AIgnition distributor for internal combustion engineNIPPON DENSO CO·Filed 1988·Granted Sep 26, 1989·2 cites·10 claims
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