YK

Young Hong Kwak

HM Hyundai Motor: 5 patents #83 of 1,905Top 5%
Overall (2017): #23,917 of 506,227Top 5%
5
Patents 2017

Issued Patents 2017

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9816409 Variable valve lift apparatus Myungsik Choi, Gee Wook Shin, Won Gyu Kim, Gyu Han Hwang, Yoonsik Woo 2017-11-14
9689282 Variable valve lift apparatus Myungsik Choi, Won Gyu Kim, Gee Wook Shin 2017-06-27
9670848 Variable compression ratio engine Myungsik Choi 2017-06-06
9587531 Variable valve lift apparatus Myungsik Choi, Won Gyu Kim 2017-03-07
9556763 Variable valve lift apparatus Won Gyu Kim, Gyu Han Hwang, Jin Hwa Kim, Gee Wook Shin, Myungsik Choi +1 more 2017-01-31