Inventor
CHO KUM-SUNG
KR4 patents
Patents
4 patentsUS11370923B2Jun 28, 2022
Black pearlescent pigment using natural charcoal and production method thereof
CQV CO LTD0 citations48
US9629796B2Apr 25, 2017
Colored glossy pigment using vegetable type natural dye and method for preparing same
CQV CO LTD1 citations46
US11407900B2Aug 9, 2022
Pearlescent pigment for security purposes including organic or inorganic fluorescent material
CQV CO LTD0 citations45
US10285918B2May 14, 2019
Cosmetic composition
CQV CO LTD0 citations36