Boing-jo KANG

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Suwon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Optical system including a blocking unit
- Patent number 8,388,148
- Issue date Mar 5, 2013
- Samsung Electronics Co., Ltd.
- Kee-uk Jeon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Focus adjustment device for use in portable image projection apparatus
- Patent number 8,289,637
- Issue date Oct 16, 2012
- Samsung Electronics Co., Ltd.
- Boing-jo Kang
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
FOCUS ADJUSTMENT DEVICE FOR USE IN PORTABLE IMAGE PROJECTION APPARATUS
- Publication number 20110292524
- Publication date Dec 1, 2011
- Samsung Electronics Co., Ltd.
- Boing-jo KANG
- G02 - OPTICS
Information Patent Application
OPTICAL SYSTEM
- Publication number 20110001939
- Publication date Jan 6, 2011
- Samsung Electronics Co., Ltd.
- Kee-uk JEON
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LED MODULE AND LIQUID CRYSTAL DISPLAY HAVING THE SAME
- Publication number 20100123848
- Publication date May 20, 2010
- Samsung Electronics Co., Ltd.
- Boing-jo KANG
- G02 - OPTICS