Sang Ok Yeo

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Kyonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Micro-SD device loaded with a smart card
- Patent number 9,063,830
- Issue date Jun 23, 2015
- SK C&C Co., Ltd.
- Zang-Hee Cho
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image projector having two opposing linearly polarized optical systems
- Patent number 8,845,105
- Issue date Sep 30, 2014
- LG Electronics Inc.
- Yun Mi Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projection display device for projecting light that has been collim...
- Patent number 8,672,484
- Issue date Mar 18, 2014
- LG Electronics Inc.
- Chan Young Yoon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ultra wide angle zoom lens in projection display system
- Patent number 7,242,530
- Issue date Jul 10, 2007
- LG Electronics Inc.
- Sang Ok Yeo
- G02 - OPTICS
Information Patent Grant
Projection display system
- Patent number 6,760,162
- Issue date Jul 6, 2004
- LG Electronics, Inc.
- Sang Ok Yeo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Micro-SD Device Loaded with a Smart Card
- Publication number 20130080702
- Publication date Mar 28, 2013
- SK C&C CO., LTD.
- Zang-Hee Cho
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE PROJECTOR
- Publication number 20110019153
- Publication date Jan 27, 2011
- Yun Mi LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROJECTION DISPLAY DEVICE
- Publication number 20090135377
- Publication date May 28, 2009
- LG ELECTRONICS INC.
- Chan Young YOON
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR GENERATING A GAMMA VOLTAGE, DRIVING CIRCUIT THEREFOR, AN...
- Publication number 20080278470
- Publication date Nov 13, 2008
- Chang-Jin IM
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Ultra wide angle zoom lens in projection display system
- Publication number 20050094287
- Publication date May 5, 2005
- LG Electronics Inc.
- Sang Ok Yeo
- G02 - OPTICS
Information Patent Application
Projection display system
- Publication number 20030053010
- Publication date Mar 20, 2003
- LG Electronics Inc.
- Sang Ok Yeo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE