Yun Whan Na

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Gyunggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting diode lighting apparatus
- Patent number 9,107,256
- Issue date Aug 11, 2015
- Samsung Electronics Co., Ltd.
- Dae-sung Kang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED lamp and driving circuit for the same
- Patent number 8,643,299
- Issue date Feb 4, 2014
- Samsung Electronics Co., Ltd.
- Yong Keun Jee
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light emitting diode (LED) lamp
- Patent number 8,519,603
- Issue date Aug 27, 2013
- Samsung Electronics Co., Ltd.
- Haeng-seok Yang
- 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
ILLUMINATION SYSTEM
- Publication number 20140125242
- Publication date May 8, 2014
- Samsung Electronics Co., Ltd.
- Dae Sung KANG
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT-EMITTING DEVICE LAMP
- Publication number 20130155674
- Publication date Jun 20, 2013
- Samsung Electronics Co., Ltd.
- Dae-yeop PARK
- F21 - LIGHTING
Information Patent Application
LIGHT EMITTING DIODE LIGHTING APPARATUS
- Publication number 20130076255
- Publication date Mar 28, 2013
- Samsung Electronics Co., Ltd.
- Dae-sung Kang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LIGHT EMITTING DIODE (LED) LAMP
- Publication number 20120134158
- Publication date May 31, 2012
- Haeng-seok YANG
- F21 - LIGHTING
Information Patent Application
LIGHT EMITTING DIODE (LED) LAMP
- Publication number 20120133263
- Publication date May 31, 2012
- Haeng-seok YANG
- F21 - LIGHTING
Information Patent Application
LED LAMP AND DRIVING CIRCUIT FOR THE SAME
- Publication number 20120038289
- Publication date Feb 16, 2012
- Yong Keun Jee
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR