Jiyoung Oh

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Taejon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Bisphenylene-spirobifluorene compounds, method for synthesizing the...
- Patent number 7,057,074
- Issue date Jun 6, 2006
- Electronics and Telecommunications Research Institute
- Hyoyoung Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Spirobifluorene compounds, electroluminescence polymer and electrol...
- Patent number 6,933,063
- Issue date Aug 23, 2005
- Electronics and Telecommunications Research Institute
- Jeong Ik Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bisphenylene-spirobifluorene compounds, method for synthesizing the...
- Patent number 6,844,088
- Issue date Jan 18, 2005
- Electronics and Telecommunications Research Institute
- Hyoyoung Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Bisphenylene-spirobifluorene compounds, method for synthesizing the...
- Publication number 20040034263
- Publication date Feb 19, 2004
- Hyoyoung Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Spirobifluorene compounds, electroluminescence polymer and electrol...
- Publication number 20030044641
- Publication date Mar 6, 2003
- Jeong Ik Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Bisphenylene-spirobifluorene compounds, method for synthesizing the...
- Publication number 20030044642
- Publication date Mar 6, 2003
- Hyoyoung Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...