Inventor · disambiguated record
Chung Han Oh
Also filed as: OH CHUNG HAN
15 granted patents·6 pending applications·30 citations·filing 2003–2017
87Inventor score
Top patents by PatentIndex Score
21 records- 0185US9874117B2Apparatus for opening and closing channelHYUNDAI MOTOR CO LTD·Filed 2015·Granted Jan 23, 2018·2 cites·5 claims
- 0283US8899196B2Variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2013·Granted Dec 2, 2014·4 cites·9 claims
- 0378US7237518B2Oil filter for continuous variable valve timing apparatus in engineHYUNDAI MOTOR CO LTD·Filed 2005·Granted Jul 3, 2007·7 cites·1 claims
- 0473US9151365B2Hydraulic timing chain tensioner and timing chain systemHYUNDAI MOTOR CO LTD·Filed 2013·Granted Oct 6, 2015·4 cites·11 claims
- 0565US6863042B2Lubrication system for the timing chains of an automotive V-type engineHYUNDAI MOTOR CO LTD·Filed 2003·Granted Mar 8, 2005·11 cites·8 claims
- 0661US9957850B2Method of controlling lock pin of continuously variable valve timing systemHYUNDAI MOTOR CO LTD·Filed 2015·Granted May 1, 2018·0 cites·8 claims
- 0760US9828891B2CVVT systemHYUNDAI MOTOR CO LTD·Filed 2015·Granted Nov 28, 2017·0 cites·9 claims
- 0858US7845326B2Variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2008·Granted Dec 7, 2010·2 cites·8 claims
- 0957US9890667B2CVVT apparatus for engineHYUNDAI MOTOR CO LTD·Filed 2015·Granted Feb 13, 2018·0 cites·7 claims
- 1052US9810107B2Intermediate phase adjustment apparatus of CVVTHYUNDAI MOTOR CO LTD·Filed 2015·Granted Nov 7, 2017·0 cites·6 claims
- 1151US9909464B2Intermediate phase adjustment apparatus of CVVTHYUNDAI MOTOR CO LTD·Filed 2015·Granted Mar 6, 2018·0 cites·9 claims
- 1250US9297284B2Engine having variable valve timing deviceHYUNDAI MOTOR CO LTD·Filed 2014·Granted Mar 29, 2016·0 cites·5 claims
- 1346US9863289B2CVVT apparatus for engineHYUNDAI MOTOR CO LTD·Filed 2015·Granted Jan 9, 2018·0 cites·7 claims
- 1442US10174647B2Oil drain structure of valve timing adjusting device for internal combustion engineHYUNDAI MOTOR CO LTD·Filed 2017·Granted Jan 8, 2019·0 cites·7 claims
- 1539US8061312B2Continuous variable valve lift apparatusOH CHUNG HAN·Filed 2008·Granted Nov 22, 2011·0 cites·18 claims
- 1636US2016376943A1Bolt valveHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 1735US2016376938A1Intermediate phase adjustment apparatus of cvvtHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 1835US2016376940A1Rotation control apparatus of cvvtHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 1934US2016376939A1Oil supply system for engine equipped with cvvtHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 2033US2013092110A1Continuous Variable Valve Lift Apparatus and Engine with the SameOH CHUNG HAN·Filed 2012·Application pending·0 cites
- 2131US2008083386A1Variable valve lift follower for vehicleOH CHUNG HAN·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →