Inventor
KONG JIN KOOK
KR66 patents
⚠️ This page may combine multiple inventors who share the name “KONG JIN KOOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HYUNDAI MOTOR CO LTD
21 patentsUS7987826B2Aug 2, 2011
Variable valve lift apparatus
HYUNDAI MOTOR CO LTD44 citations93
US8051648B2Nov 8, 2011
Exhaust manifold being integrally formed with cylinder head
HYUNDAI MOTOR CO LTD11 citations79
US8667934B1Mar 11, 2014
Engine having compression ratio variable device
HYUNDAI MOTOR CO LTD4 citations73
US7681543B2Mar 23, 2010
Tappet apparatus
HYUNDAI MOTOR CO LTD7 citations70
US8047177B2Nov 1, 2011
Cylinder head having an integrally formed port-exhaust manifold assembly
HYUNDAI MOTOR CO LTD6 citations69
US6588386B2Jul 8, 2003
Variable valve lift system
HYUNDAI MOTOR CO LTD4 citations63
US9399932B2Jul 26, 2016
Variable valve device that varies lift amount of valve
HYUNDAI MOTOR CO LTD2 citations62
US9140182B2Sep 22, 2015
Variable compression ratio control system
HYUNDAI MOTOR CO LTD3 citations62
US9140147B2Sep 22, 2015
Multiple variable valve lift apparatus
HYUNDAI MOTOR CO LTD3 citations62
US9057293B2Jun 16, 2015
Multiple variable valve lift apparatus
HYUNDAI MOTOR CO LTD2 citations62
US7966980B2Jun 28, 2011
Variable compression ratio apparatus
HYUNDAI MOTOR CO LTD5 citations62
US9074499B2Jul 7, 2015
Multiple variable valve lift apparatus and engine provided with the same
HYUNDAI MOTOR CO LTD2 citations61
US7823552B2Nov 2, 2010
Continuous variable valve lift apparatus
HYUNDAI MOTOR CO LTD6 citations61
US7789053B2Sep 7, 2010
Continuous variable valve lift apparatus
HYUNDAI MOTOR CO LTD2 citations60
US9010290B2Apr 21, 2015
Multiple variable valve lift apparatus
HYUNDAI MOTOR CO LTD3 citations58
US10710445B2Jul 14, 2020
Powertrain for hybrid vehicle
HYUNDAI MOTOR CO LTD1 citations53
US8910601B2Dec 16, 2014
Cylinder air volume difference adjuster and continuous variable valve lifter including the same
HYUNDAI MOTOR CO LTD0 citations52
US8899195B2Dec 2, 2014
Electro-hydraulic variable valve lift apparatus
HYUNDAI MOTOR CO LTD1 citations52
US8720395B2May 13, 2014
Variable compression ratio apparatus
HYUNDAI MOTOR CO LTD1 citations52
US7950360B2May 31, 2011
Continuous variable valve lift apparatus
HYUNDAI MOTOR CO LTD0 citations51
US7836863B2Nov 23, 2010
Variable valve lift apparatus of engine for vehicles
HYUNDAI MOTOR CO LTD1 citations51
YANG JEI CHOON
10 patentsUS8397684B2Mar 19, 2013
Variable compression ratio apparatus
YANG JEI CHOON8 citations81
US8468990B2Jun 25, 2013
Continuously variable valve timing apparatus
YANG JEI CHOON3 citations62
US8291875B2Oct 23, 2012
Continuously variable valve lift device for vehicle
YANG JEI CHOON3 citations62
US8607751B2Dec 17, 2013
Electro-hydraulic variable valve lift system
YANG JEI CHOON1 citations51
US8464676B2Jun 18, 2013
Variable valve timing apparatus
YANG JEI CHOON1 citations51
US8312852B2Nov 20, 2012
Variable tappet
YANG JEI CHOON1 citations51
US8291874B2Oct 23, 2012
Apparatus for adjusting deviation of engine and continuously variable valve lift device including the same
YANG JEI CHOON0 citations51
US8245676B2Aug 21, 2012
Continuously variable valve lift device of engine
YANG JEI CHOON1 citations51
US8146548B2Apr 3, 2012
Continuously variable valve lift device and operation logic thereof
YANG JEI CHOON0 citations51
US8573168B2Nov 5, 2013
Hydraulic pressure valve apparatus
YANG JEI CHOON0 citations50
CHOI BYONG YOUNG
6 patentsUS8464677B2Jun 18, 2013
Variable valve lift apparatus
CHOI BYONG YOUNG30 citations91
US8807101B2Aug 19, 2014
Variable valve lift apparatus
CHOI BYONG YOUNG8 citations83
US9115652B2Aug 25, 2015
Oil control valve and variable valve lift system provided with the same
CHOI BYONG YOUNG5 citations72
US8596234B2Dec 3, 2013
Electro-hydraulic variable valve lift apparatus
CHOI BYONG YOUNG2 citations62
US8646422B2Feb 11, 2014
Electro-hydraulic variable valve lift apparatus
CHOI BYONG YOUNG1 citations51
US8726861B2May 20, 2014
Variable valve lift apparatus
CHOI BYONG YOUNG1 citations50
LEE EUN HO
4 patentsUS8646420B2Feb 11, 2014
Variable compression ratio apparatus
LEE EUN HO2 citations62
US8387573B2Mar 5, 2013
Variable compression ratio device
LEE EUN HO4 citations62
US8251027B2Aug 28, 2012
Continuous variable valve lift apparatus
LEE EUN HO2 citations62
US8074613B2Dec 13, 2011
Variable compression ratio apparatus
LEE EUN HO1 citations51
LEE JU HUN
3 patentsHA KYOUNG PYO
2 patentsKONG JIN KOOK
2 patentsSON JIN WOOK
1 patentLEE DONG SEOK
1 patentShowing the top 50 of 66 patents by PatentIndex Score.