Il Joong Yoon

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Seoul, KR

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Patents Applicationslast 30 patents

Information Patent Application
CHALCOGENIDE GLASS COMPOSITION INCLUDING SILICON, GALLIUM AND TELLU...
- Publication number 20240059603
- Publication date Feb 22, 2024
- Yong Gyu CHOI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
AN OZONE-RESISTANT POLYURETHANE COMPOSITION AND ASSOCIATED METHOD O...
- Publication number 20130303668
- Publication date Nov 14, 2013
- HK VALVE CO., LTD
- Il Joong Yoon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...