Hak Ki Yu

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Pohang, KR

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting device having MgO pyramid structure and method for f...
- Patent number 8,993,997
- Issue date Mar 31, 2015
- SEOUL VIOSYS CO., LTD.
- Jong Lam Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Passivation film and method of forming the same
- Patent number 7,915,153
- Issue date Mar 29, 2011
- LG Electronics Inc.
- Jong Lam Lee
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTING DEVICE HAVING MgO PYRAMID STRUCTURE AND METHOD FOR F...
- Publication number 20150200342
- Publication date Jul 16, 2015
- Seoul Viosys Co., Ltd.
- Jong Lam LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE HAVING MGO PYRAMID STRUCTURE AND METHOD FOR F...
- Publication number 20130207074
- Publication date Aug 15, 2013
- POSTECH ACADEMY-INDUSTRY FOUNDATION
- Jong Lam Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Passivation film and method of forming the same
- Publication number 20090087997
- Publication date Apr 2, 2009
- POSTECH ACADEMY-INDUSTRY FOUNDATION
- Jong Lam Lee
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...