Inventor

CHOI YONG-HAK

KR2 patents

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

CHOI YONG-HAK

1 patent

US7209731B2Apr 24, 2007

Method of membership protection using mobile communication device

CHOI YONG-HAK27 citations84

CHOI YONG HAK

1 patent

US12102442B2Oct 1, 2024

Device for measuring amount of perspiration with regard to each part of human body by using change in brightness and method for measuring amount of perspiration

CHOI YONG HAK0 citations38