Inventor

RYOO HEE CHANG

KR4 patents

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

COSMAX CO LTD

2 patents

US9949900B2Apr 24, 2018

Method for preparing multilayer lamellar liquid crystal emulsion including intercellular lipids

COSMAX CO LTD3 citations67

US9688832B2Jun 27, 2017

Method for preparing macroporous polymethyl methacrylate

COSMAX CO LTD0 citations48

ENPRANI CO LTD

1 patent

US7173062B2Feb 6, 2007

Method for the improvement of skin wrinkles using retinyl retinoate

ENPRANI CO LTD9 citations65

COSMAX INC

1 patent

US9687423B2Jun 27, 2017

Method for preparing nanoemulsion

COSMAX INC1 citations47