Man Sik Chang

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Heterocycle-fused thiazole derivatives
- Patent number 6,043,373
- Issue date Mar 28, 2000
- Yungjin Pharmaceutical Co., Ltd.
- Han Yong Yoo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-amino-3-acylnaphthyridine derivatives
- Patent number 5,952,504
- Issue date Sep 14, 1999
- Yungjin Pharmaceutical Company, Ltd.
- Han Yong Yoo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pharmaceutical composition for skin diseases
- Patent number 5,731,007
- Issue date Mar 24, 1998
- Yungjin Pharmaceutical Co., Ltd.
- Kae Jong Chung
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE