Chi Un Jo

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Anyang-city, KR

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Patents Grantslast 30 patents

Information Patent Grant
Surface light source apparatus, and method and apparatus for manufa...
- Patent number 6,843,587
- Issue date Jan 18, 2005
- LS Tech Co., Ltd.
- Deuk Il Park
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Surface light source apparatus, and method and apparatus for manufa...
- Publication number 20050036320
- Publication date Feb 17, 2005
- LS TECH CO., LTD.
- Deuk Il Park
- G02 - OPTICS
Information Patent Application
Surface light source apparatus, and method and apparatus for manufa...
- Publication number 20030210539
- Publication date Nov 13, 2003
- LS TECH CO., LTD.
- Duek IL Park
- G02 - OPTICS