Hee-Chang Ryoo

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing multilayer lamellar liquid crystal emulsion in...
- Patent number 9,949,900
- Issue date Apr 24, 2018
- COSMAX CO., LTD.
- Jun Bae Lee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for preparing nanoemulsion
- Patent number 9,687,423
- Issue date Jun 27, 2017
- COSMAX, INC.
- Jun Bae Lee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for preparing macroporous polymethyl methacrylate
- Patent number 9,688,832
- Issue date Jun 27, 2017
- COSMAX CO., LTD.
- Jun Bae Lee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for the improvement of skin wrinkles using retinyl retinoate
- Patent number 7,173,062
- Issue date Feb 6, 2007
- Enprani Co., Ltd.
- Young-Soy Roh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREPARING MULTILAYER LAMELLAR LIQUID CRYSTAL EMULSION IN...
- Publication number 20160213579
- Publication date Jul 28, 2016
- COSMAX CO., LTD.
- Jun Bae LEE
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR PREPARING NANOEMULSION
- Publication number 20160199269
- Publication date Jul 14, 2016
- COSMAX, INC.
- Jun Bae LEE
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR PREPARING MACROPOROUS POLYMETHYL METHACRYLATE
- Publication number 20160009892
- Publication date Jan 14, 2016
- COSMAX CO., LTD.
- Jun Bae LEE
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Whitening and antionxidative cosmetic composition containing resver...
- Publication number 20070009455
- Publication date Jan 11, 2007
- Hyo-Jung Kim
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Retinol derivatives and process for preparing same
- Publication number 20040062781
- Publication date Apr 1, 2004
- Young-Soy Roh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE