Inventor

RYU JEI CHEONG

KR2 patents

Patents

2 patents

US11147693B2Oct 19, 2021

Artificial foot having rotatable toe part

KOREA WORKERS COMPENSATION & WELFARE SERVICE2 citations62

US10405995B2Sep 10, 2019

Artificial limb structure having magnetic lock device

KOREA WORKERS COMPENSATION & WELFARE SERVICE2 citations61