Inventor
YANG JEI CHOON
KR20 patents
⚠️ This page may combine multiple inventors who share the name “YANG JEI CHOON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YANG JEI CHOON
11 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
US8616166B2Dec 31, 2013
Electric continuous variable valve timing apparatus
YANG JEI CHOON0 citations40