Inventor

YANG CHANG HO

KR4 patents

⚠️ This page may combine multiple inventors who share the name “YANG CHANG HO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEE DONG SEOK

1 patent

US8555829B2Oct 15, 2013

Variable compression ratio apparatus

LEE DONG SEOK5 citations70

HYUNDAI MOTOR CO LTD

1 patent

US9074499B2Jul 7, 2015

Multiple variable valve lift apparatus and engine provided with the same

HYUNDAI MOTOR CO LTD2 citations61

CHOI BYONG YOUNG

1 patent

US8726861B2May 20, 2014

Variable valve lift apparatus

CHOI BYONG YOUNG1 citations50

YANG JEI CHOON

1 patent

US8573168B2Nov 5, 2013

Hydraulic pressure valve apparatus

YANG JEI CHOON0 citations50