Inventor

YOON HE-GOUN

KR2 patents

Patents

2 patents

US10206512B2Feb 19, 2019

Honeycomb-structured sitting cushion

BULLSONE CO LTD27 citations87

US10519308B2Dec 31, 2019

Composition for gel cushion, and gel cushion manufactured therefrom

BULLSONE CO LTD0 citations45