GH

Gyu Han Hwang

HM Hyundai Motor: 14 patents #743 of 11,886Top 7%
KM Kia Motors: 1 patents #3,666 of 7,429Top 50%
Overall (All Time): #346,106 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10526962 Variable compression ratio apparatus Myungsik Choi, Won Gyu Kim 2020-01-07
10087829 Variable compression ratio device Won Gyu Kim, Myungsik Choi 2018-10-02
9816409 Variable valve lift apparatus Myungsik Choi, Gee Wook Shin, Won Gyu Kim, Young Hong Kwak, Yoonsik Woo 2017-11-14
9771890 Oil passage for supplying oil 2017-09-26
9745873 Multiple variable valve lift apparatus 2017-08-29
9670801 Cylinder deactivation engine Hyeon Cheol Joo, Joon Suk Lee 2017-06-06
9556763 Variable valve lift apparatus Young Hong Kwak, Won Gyu Kim, Jin Hwa Kim, Gee Wook Shin, Myungsik Choi +1 more 2017-01-31
9399932 Variable valve device that varies lift amount of valve Young Hong Kwak, Jin Kook Kong, Gee Wook Shin, Won Gyu Kim, Myungsik Choi 2016-07-26
7007637 Water jacket for cylinder head 2006-03-07
6948229 Manufacturing method of variable tumble flow-generating intake port Gyu-Hwan Kim 2005-09-27
6877478 Variable tumble flow-generating device of engine and manufacturing method of variable tumble flow-generating intake port Gyu-Hwan Kim 2005-04-12
6874450 Engine cooling system Jae Man Cho 2005-04-05
6823825 Oil supply structure for an engine cylinder head Bong Sang Lee, Seung Woo Lee 2004-11-30
6758171 Engine cooling system with two thermostats 2004-07-06