Inventor
OH CHUNG HAN
KR15 patents
⚠️ This page may combine multiple inventors who share the name “OH CHUNG HAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HYUNDAI MOTOR CO LTD
14 patentsUS7237518B2Jul 3, 2007
Oil filter for continuous variable valve timing apparatus in engine
HYUNDAI MOTOR CO LTD7 citations72
US6863042B2Mar 8, 2005
Lubrication system for the timing chains of an automotive V-type engine
HYUNDAI MOTOR CO LTD11 citations72
US8899196B2Dec 2, 2014
Variable valve lift apparatus
HYUNDAI MOTOR CO LTD4 citations71
US9874117B2Jan 23, 2018
Apparatus for opening and closing channel
HYUNDAI MOTOR CO LTD2 citations70
US9151365B2Oct 6, 2015
Hydraulic timing chain tensioner and timing chain system
HYUNDAI MOTOR CO LTD4 citations68
US7845326B2Dec 7, 2010
Variable valve lift apparatus
HYUNDAI MOTOR CO LTD2 citations61
US9957850B2May 1, 2018
Method of controlling lock pin of continuously variable valve timing system
HYUNDAI MOTOR CO LTD0 citations51
US9890667B2Feb 13, 2018
CVVT apparatus for engine
HYUNDAI MOTOR CO LTD0 citations51
US9828891B2Nov 28, 2017
CVVT system
HYUNDAI MOTOR CO LTD0 citations51
US9863289B2Jan 9, 2018
CVVT apparatus for engine
HYUNDAI MOTOR CO LTD0 citations41
US9297284B2Mar 29, 2016
Engine having variable valve timing device
HYUNDAI MOTOR CO LTD0 citations40
US9909464B2Mar 6, 2018
Intermediate phase adjustment apparatus of CVVT
HYUNDAI MOTOR CO LTD0 citations39
US9810107B2Nov 7, 2017
Intermediate phase adjustment apparatus of CVVT
HYUNDAI MOTOR CO LTD0 citations39
US10174647B2Jan 8, 2019
Oil drain structure of valve timing adjusting device for internal combustion engine
HYUNDAI MOTOR CO LTD0 citations37