Inventor
WOO YOONSIK
KR16 patents
⚠️ This page may combine multiple inventors who share the name “WOO YOONSIK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HYUNDAI MOTOR CO LTD
11 patentsUS8667934B1Mar 11, 2014
Engine having compression ratio variable device
HYUNDAI MOTOR CO LTD4 citations73
US9140182B2Sep 22, 2015
Variable compression ratio control system
HYUNDAI MOTOR CO LTD3 citations62
US9188067B2Nov 17, 2015
Variable compression ratio device and internal combustion engine including the same
HYUNDAI MOTOR CO LTD0 citations52
US8720395B2May 13, 2014
Variable compression ratio apparatus
HYUNDAI MOTOR CO LTD1 citations52
US9169774B2Oct 27, 2015
Variable compression ratio engine that varies compression ratio
HYUNDAI MOTOR CO LTD0 citations51
US9816409B2Nov 14, 2017
Variable valve lift apparatus
HYUNDAI MOTOR CO LTD0 citations41
US9447739B2Sep 20, 2016
Variable compression ratio engine
HYUNDAI MOTOR CO LTD0 citations41
US9359945B2Jun 7, 2016
Variable compression ratio apparatus
HYUNDAI MOTOR CO LTD0 citations41
US9021994B2May 5, 2015
Variable compression ratio apparatus
HYUNDAI MOTOR CO LTD0 citations41
US8757112B2Jun 24, 2014
Variable compression ratio apparatus
HYUNDAI MOTOR CO LTD0 citations41
US8733302B1May 27, 2014
Variable compression ratio apparatus
HYUNDAI MOTOR CO LTD0 citations41