Lee; Won-Ha

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lee; Won-Ha.The latest application filed is for "method for embedding watermark into an image and digital video recorder using said method".

Company Profile

0.2.9

Lee; Won-Ha - Seoul KR
Lee, Won-Ha - Dongdaemun-gu KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method For Embedding Watermark Into An Image And Digital Video Recorder Using Said Method App 20100266157 - SHIN; Dong-Hwan ; et al.	2010-10-21
Method for embedding watermark into an image and digital video recorder using said method Grant 7,707,422 - Shin , et al. April 27, 2	2010-04-27
Watermark embedding and detecting method by quantization of a characteristic value of a signal Grant 7,140,043 - Choi , et al. November 21, 2	2006-11-21
Watermark embedding and detecting method by a quantization of a characteristic value of a signal App 20050002526 - Choi, Jong-Uk ; et al.	2005-01-06
Method for embedding watermark into an image and digital video recorder using said method App 20040258243 - Shin, Dong-Hwan ; et al.	2004-12-23
Sync signal insertion/detection method and apparatus for synchronization between audio file and text App 20040249862 - Shin, Seung-Won ; et al.	2004-12-09
System and method of providing and autheticating works and authorship based on watermark technique App 20040021549 - Choi, Jong-Uk ; et al.	2004-02-05
System for protecting and managing digital contents App 20030225701 - Lee, Won Ha ; et al.	2003-12-04
Watermaking system and method for protecting a digital image from forgery or alteration App 20030097568 - Choi, Jong-Uk ; et al.	2003-05-22
Method for securing digital information and system therefor App 20030023559 - Choi, Jong-Uk ; et al.	2003-01-30
Method of protecting and managing digital contents and system for using thereof App 20020194492 - Choi, Jong-Uk ; et al.	2002-12-19

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