Choul Ho LEE

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Suwon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
LED lens and LED module for two-sided lighting, and LED two-sided l...
- Patent number 9,163,805
- Issue date Oct 20, 2015
- Samsung Electronics Co., Ltd.
- Joo Hun Han
- F21 - LIGHTING
Information Patent Grant
System for manufacturing power supply unit and method for manufactu...
- Patent number 8,816,601
- Issue date Aug 26, 2014
- Samsung Electronics Co., Ltd.
- Jin Sung Kim
- F21 - LIGHTING
Information Patent Grant
Apparatus for testing power supply units based on light emitting di...
- Patent number 8,779,755
- Issue date Jul 15, 2014
- Samsung Electronics Co., Ltd.
- Jin Sung Kim
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light diffusion lenses and lighting fixtures having the same
- Patent number 8,641,231
- Issue date Feb 4, 2014
- Samsung Electronics Co., Ltd.
- Tetsuo Ariyoshi
- F21 - LIGHTING
Information Patent Grant
System for manufacturing power supply unit and method for manufactu...
- Patent number 8,581,500
- Issue date Nov 12, 2013
- Samsung Electronics Co., Ltd.
- Jin Sung Kim
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
LIGHTING APPARATUS
- Publication number 20150085503
- Publication date Mar 26, 2015
- Samsung Electronics Co., LTD
- Yun Whan Na
- F21 - LIGHTING
Information Patent Application
LED LENS AND LED MODULE FOR TWO-SIDED LIGHTING, AND LED TWO-SIDED L...
- Publication number 20140218919
- Publication date Aug 7, 2014
- Samsung Electronics Co., LTD
- Joo Hun Han
- G02 - OPTICS
Information Patent Application
HEAT SINK AND LIGHTING APPARATUS HAVING SAME
- Publication number 20140192537
- Publication date Jul 10, 2014
- Samsung Electronics Co., LTD
- Kil Yoan Chung
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
SYSTEM FOR MANUFACTURING POWER SUPPLY UNIT AND METHOD FOR MANUFACTU...
- Publication number 20140049187
- Publication date Feb 20, 2014
- Samsung Electronics Co., Ltd.
- Jin Sung KIM
- F21 - LIGHTING
Information Patent Application
LIGHT DIFFUSION LENSES AND LIGHTING FIXTURES HAVING THE SAME
- Publication number 20120224367
- Publication date Sep 6, 2012
- Tetsuo ARIYOSHI
- G02 - OPTICS
Information Patent Application
TEST APPARATUS FOR POWER SUPPLY UNIT
- Publication number 20120146622
- Publication date Jun 14, 2012
- Jin Sung KIM
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM FOR MANUFACTURING POWER SUPPLY UNIT AND METHOD FOR MANUFACTU...
- Publication number 20120146516
- Publication date Jun 14, 2012
- Jin Sung Kim
- F21 - LIGHTING