Young Mi NA

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Daegu, KR

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Patents Grantslast 30 patents

Information Patent Grant
Lens for light-emitting device and method of manufacturing light-em...
- Patent number 10,790,427
- Issue date Sep 29, 2020
- LUMENS CO., LTD.
- Seung Hyun Oh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lens for light-emitting device and method of manufacturing light-em...
- Patent number 10,177,291
- Issue date Jan 8, 2019
- LUMENS CO., LTD.
- Seung Hyun Oh
- G02 - OPTICS
Information Patent Grant
Lens for light-emitting device and method of manufacturing light-em...
- Patent number 9,741,914
- Issue date Aug 22, 2017
- LUMENS CO., LTD.
- Seung Hyun Oh
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LENS FOR LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT-EM...
- Publication number 20190115514
- Publication date Apr 18, 2019
- LUMENS CO., LTD
- Seung Hyun OH
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LENS FOR LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT-EM...
- Publication number 20170084806
- Publication date Mar 23, 2017
- LUMENS CO., LTD
- Seung Hyun OH
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LENS FOR LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT-EM...
- Publication number 20160053965
- Publication date Feb 25, 2016
- LUMENS CO., LTD
- Seung Hyun OH
- F21 - LIGHTING