Yonggyun Cho

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Daejeon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Optical film
- Patent number 8,597,551
- Issue date Dec 3, 2013
- SK Innovation Co., Ltd.
- Kiyup Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical compensation film with hybrid arrangement of nematic liquid...
- Patent number 8,570,472
- Issue date Oct 29, 2013
- SK Innovation Co., Ltd.
- Yonggyun Cho
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Optical Film
- Publication number 20120161086
- Publication date Jun 28, 2012
- SK INNOVATION CO., LTD.
- Kiyup Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
OPTICAL COMPENSATION FILM WITH HYBRID ARRANGEMENT OF NEMATIC LIQUID...
- Publication number 20110317101
- Publication date Dec 29, 2011
- SK INNOVATION CO., LTD.
- Yonggyun Cho
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...