Ju Yoon Lee

Follow

Person

Osan-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Natural lighting apparatus and hybrid illumination system using same
- Patent number 8,905,586
- Issue date Dec 9, 2014
- Se Dae O
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
NATURAL LIGHTING APPARATUS AND HYBRID ILLUMINATION SYSTEM USING SAME
- Publication number 20120091897
- Publication date Apr 19, 2012
- Se Dae O
- F21 - LIGHTING