P

Inventor

KWAK YOUNG HONG

KR38 patents
⚠️ This page may combine multiple inventors who share the name “KWAK YOUNG HONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HYUNDAI MOTOR CO LTD

25 patents
US7987826B2Aug 2, 2011

Variable valve lift apparatus

HYUNDAI MOTOR CO LTD44 citations93
US9587531B2Mar 7, 2017

Variable valve lift apparatus

HYUNDAI MOTOR CO LTD2 citations72
US10273837B1Apr 30, 2019

System for controlling variable valve apparatus and oil control valve for the same

HYUNDAI MOTOR CO LTD1 citations62
US9399932B2Jul 26, 2016

Variable valve device that varies lift amount of valve

HYUNDAI MOTOR CO LTD2 citations62
US9140147B2Sep 22, 2015

Multiple variable valve lift apparatus

HYUNDAI MOTOR CO LTD3 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
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
US7827952B2Nov 9, 2010

Variable tappet

HYUNDAI MOTOR CO LTD0 citations52
US10344630B2Jul 9, 2019

Variable valve control system having common valve and engine system having the same

HYUNDAI MOTOR CO LTD0 citations51
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
US7918202B2Apr 5, 2011

Variable valve lift apparatus

HYUNDAI MOTOR CO LTD0 citations50
US9267402B2Feb 23, 2016

Multistage variable valve lift apparatus, system and engine

HYUNDAI MOTOR CO LTD0 citations48
US9874121B2Jan 23, 2018

Variable valve lift apparatus

HYUNDAI MOTOR CO LTD0 citations41
US9816409B2Nov 14, 2017

Variable valve lift apparatus

HYUNDAI MOTOR CO LTD0 citations41
US9689282B2Jun 27, 2017

Variable valve lift apparatus

HYUNDAI MOTOR CO LTD0 citations41
US9670848B2Jun 6, 2017

Variable compression ratio engine

HYUNDAI MOTOR CO LTD0 citations41
US9556763B2Jan 31, 2017

Variable valve lift apparatus

HYUNDAI MOTOR CO LTD0 citations41
US9447739B2Sep 20, 2016

Variable compression ratio engine

HYUNDAI MOTOR CO LTD0 citations41
US7905207B2Mar 15, 2011

Variable valve lift apparatus

HYUNDAI MOTOR CO LTD0 citations41
US10794308B2Oct 6, 2020

Apparatus and method for controlling deactivation of cylinders in engine

HYUNDAI MOTOR CO LTD0 citations37

YANG JEI CHOON

7 patents

CHOI BYONG YOUNG

3 patents

LEE EUN HO

1 patent

LEE DONG SEOK

1 patent

KWON KI YOUNG

1 patent