Inventor · disambiguated record
Young Hong Kwak
Also filed as: KWAK YOUNG HONG
38 granted patents·10 pending applications·114 citations·filing 2007–2018
96Inventor score
Top patents by PatentIndex Score
48 records- 0197US7987826B2Variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2008·Granted Aug 2, 2011·44 cites·6 claims
- 0296US8464677B2Variable valve lift apparatusCHOI BYONG YOUNG·Filed 2011·Granted Jun 18, 2013·30 cites·6 claims
- 0385US9115652B2Oil control valve and variable valve lift system provided with the sameCHOI BYONG YOUNG·Filed 2011·Granted Aug 25, 2015·5 cites·4 claims
- 0484US9587531B2Variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2015·Granted Mar 7, 2017·2 cites·12 claims
- 0580US9140147B2Multiple variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2013·Granted Sep 22, 2015·3 cites·22 claims
- 0678US7823552B2Continuous variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2007·Granted Nov 2, 2010·6 cites·20 claims
- 0774US9399932B2Variable valve device that varies lift amount of valveHYUNDAI MOTOR CO LTD·Filed 2014·Granted Jul 26, 2016·2 cites·10 claims
- 0874US9074499B2Multiple variable valve lift apparatus and engine provided with the sameHYUNDAI MOTOR CO LTD·Filed 2013·Granted Jul 7, 2015·2 cites·10 claims
- 0971US10273837B1System for controlling variable valve apparatus and oil control valve for the sameHYUNDAI MOTOR CO LTD·Filed 2017·Granted Apr 30, 2019·1 cites·17 claims
- 1067US10344630B2Variable valve control system having common valve and engine system having the sameHYUNDAI MOTOR CO LTD·Filed 2017·Granted Jul 9, 2019·0 cites·16 claims
- 1167US7966980B2Variable compression ratio apparatusHYUNDAI MOTOR CO LTD·Filed 2008·Granted Jun 28, 2011·5 cites·20 claims
- 1266US8291875B2Continuously variable valve lift device for vehicleYANG JEI CHOON·Filed 2009·Granted Oct 23, 2012·3 cites·12 claims
- 1365US8899195B2Electro-hydraulic variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2012·Granted Dec 2, 2014·1 cites·9 claims
- 1465US8245676B2Continuously variable valve lift device of engineYANG JEI CHOON·Filed 2010·Granted Aug 21, 2012·1 cites·8 claims
- 1564US8726861B2Variable valve lift apparatusCHOI BYONG YOUNG·Filed 2010·Granted May 20, 2014·1 cites·8 claims
- 1664US8312852B2Variable tappetYANG JEI CHOON·Filed 2010·Granted Nov 20, 2012·1 cites·13 claims
- 1763US8607751B2Electro-hydraulic variable valve lift systemYANG JEI CHOON·Filed 2012·Granted Dec 17, 2013·1 cites·12 claims
- 1861US8251027B2Continuous variable valve lift apparatusLEE EUN HO·Filed 2009·Granted Aug 28, 2012·2 cites·7 claims
- 1959US8499725B2Variable compression ratio apparatusLEE DONG SEOK·Filed 2010·Granted Aug 6, 2013·1 cites·14 claims
- 2059US7789053B2Continuous variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2008·Granted Sep 7, 2010·2 cites·32 claims
- 2154US10794308B2Apparatus and method for controlling deactivation of cylinders in engineHYUNDAI MOTOR CO LTD·Filed 2018·Granted Oct 6, 2020·0 cites·16 claims
- 2254US7836863B2Variable valve lift apparatus of engine for vehiclesHYUNDAI MOTOR CO LTD·Filed 2008·Granted Nov 23, 2010·1 cites·20 claims
- 2353US8910601B2Cylinder air volume difference adjuster and continuous variable valve lifter including the sameHYUNDAI MOTOR CO LTD·Filed 2013·Granted Dec 16, 2014·0 cites·15 claims
- 2452US9267402B2Multistage variable valve lift apparatus, system and engineHYUNDAI MOTOR CO LTD·Filed 2013·Granted Feb 23, 2016·0 cites·17 claims
- 2550US9670848B2Variable compression ratio engineHYUNDAI MOTOR CO LTD·Filed 2014·Granted Jun 6, 2017·0 cites·17 claims
- 2650US8573168B2Hydraulic pressure valve apparatusYANG JEI CHOON·Filed 2011·Granted Nov 5, 2013·0 cites·17 claims
- 2749US9447739B2Variable compression ratio engineHYUNDAI MOTOR CO LTD·Filed 2014·Granted Sep 20, 2016·0 cites·19 claims
- 2848US8291874B2Apparatus for adjusting deviation of engine and continuously variable valve lift device including the sameYANG JEI CHOON·Filed 2009·Granted Oct 23, 2012·0 cites·12 claims
- 2948US8146548B2Continuously variable valve lift device and operation logic thereofYANG JEI CHOON·Filed 2009·Granted Apr 3, 2012·0 cites·16 claims
- 3048US7827952B2Variable tappetHYUNDAI MOTOR CO LTD·Filed 2007·Granted Nov 9, 2010·0 cites·3 claims
- 3147US9556763B2Variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2014·Granted Jan 31, 2017·0 cites·7 claims
- 3246US9689282B2Variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2015·Granted Jun 27, 2017·0 cites·8 claims
- 3346US7950360B2Continuous variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2008·Granted May 31, 2011·0 cites·7 claims
- 3446US7918202B2Variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2008·Granted Apr 5, 2011·0 cites·5 claims
- 3546US2014158067A1Variable cycle engineHYUNDAI MOTOR CO LTD·Filed 2013·Application pending·0 cites
- 3645US2014331960A1Flame jet ignition engineHYUNDAI MOTOR CO LTD·Filed 2013·Application pending·0 cites
- 3745US2015176442A1Camshaft-in-camshaft apparatus of variable valve duration systemHYUNDAI MOTOR CO LTD·Filed 2014·Application pending·0 cites
- 3844US7905207B2Variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2008·Granted Mar 15, 2011·0 cites·16 claims
- 3943US9874121B2Variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2015·Granted Jan 23, 2018·0 cites·8 claims
- 4043US9816409B2Variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2015·Granted Nov 14, 2017·0 cites·7 claims
- 4143US2015101562A1Cda deviceKIA MOTORS CORP·Filed 2013·Application pending·0 cites
- 4242US2014109865A1Pre-chamber structure for piston engineHYUNDAI MOTOR CO LTD·Filed 2012·Application pending·0 cites
- 4340US8104440B2Continuous variable valve lift deviceKWON KI YOUNG·Filed 2008·Granted Jan 31, 2012·0 cites·18 claims
- 4440US2012118251A1Hydraulic variable valve lift apparatusCHOI BYONG YOUNG·Filed 2011·Application pending·0 cites
- 4539US2011272612A1Variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2010·Application pending·0 cites
- 4639US2009139363A1Continuous variable valve lift apparatusKWAK YOUNG HONG·Filed 2007·Application pending·0 cites
- 4736US2016169067A1Variable valve lift apparatusHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 4836US2016160701A1Cylinder deactivation engineHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →