Inventor

HAM GYEONG GUK

KR3 patents

Patents

3 patents

US11001780B2May 11, 2021

Cutting oil composition

YOUNG CHANG CHEMICAL CO LTD0 citations59

US10717878B2Jul 21, 2020

Anti-reflection coating composition and anti-reflection film utilizing same

YOUNG CHANG CHEMICAL CO LTD0 citations48

US9829797B2Nov 28, 2017

Cleaning composition for photolithography and method of forming photoresist pattern using the same

YOUNG CHANG CHEMICAL CO LTD0 citations48