Dong-Hyon Sheen

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Taejon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Silent marker for an oil product and associated detection method
- Patent number 6,991,914
- Issue date Jan 31, 2006
- SK Corporation
- Hwan-Ho Park
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Silent mark for oil product and detection method thereto
- Publication number 20040092738
- Publication date May 13, 2004
- Hwan-Ho Park
- C07 - ORGANIC CHEMISTRY