CHOI; Jong Uk

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHOI; Jong Uk.The latest application filed is for "text watermarking method and apparatus for hiding information into text documents".

Company Profile

2.20.35

CHOI; Jong Uk - Seoul KR
Choi, Jong-Uk - Dobong-gu Seoul 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
Text Watermarking Method And Apparatus For Hiding Information Into Text Documents App 20220131683 - CHOI; Jong Uk	2022-04-28
System And Method For Distributing Data Using Block Chain App 20210081374 - Shin; Dong Hwan ; et al.	2021-03-18
Data Management System And Method Of Distributing A Digital Content File App 20200167745 - Shin; Dong-hwan ; et al.	2020-05-28
Apparatus And Method For Protecting A Digital Right Of Model Data Learned From Artificial Intelligence For Smart Broadcasting Co App 20190213168 - Kim; Chang Won ; et al.	2019-07-11
Apparatus For Protecting Copyright Of 3d Object Model And Method Therefor App 20180173199 - KIM; Hyoung-jun ; et al.	2018-06-21
Method, system and device for enhancing business information security Grant 9,830,433 - Choi , et al. November 28, 2	2017-11-28
Method and apparatus for automatically splitting object and method, apparatus, and system for registering file Grant 9,818,233 - Kim , et al. November 14, 2	2017-11-14
Digital signature service system based on hash function and method thereof Grant 9,819,494 - Ryu , et al. November 14, 2	2017-11-14
Method for sending contents including tracking information and apparatus thereof, and method for receiving content including tracking information and apparatus thereof Grant 9,742,783 - Kim , et al. August 22, 2	2017-08-22
Method And Apparatus For Automatically Splitting Object And Method, Apparatus, And System For Registering File App 20170161959 - Kim; Hyoung Jun ; et al.	2017-06-08
Digital Signature Service System Based On Hash Function And Method Thereof App 20170070350 - RYU; Ho-il ; et al.	2017-03-09
Method For Sending Contents Including Tracking Information And Apparatus Thereof, And Method For Receiving Content Including Tracking Information And Apparatus Thereof App 20160352754 - KIM; Chang Won ; et al.	2016-12-01
DRM content stream transmission apparatus, method, and transmission and reception system Grant 9,491,147 - Kim , et al. November 8, 2	2016-11-08
User Adaptive Method And System For Controlling Mobile Device App 20160234219 - HAN; Sang In ; et al.	2016-08-11
Method, System And Device For Enhancing Business Information Security App 20160217276 - CHOI; Jong-Uk ; et al.	2016-07-28
Method And Apparatus For Preventing Leakage Of Information App 20160210476 - MUN; Sung Gon ; et al.	2016-07-21
Drm Content Stream Transmission Apparatus, Method, And Transmission And Reception System App 20150043728 - Kim; Chang Won ; et al.	2015-02-12
System for creating virtual application, method for installing virtual application, method for calling native API and method for executing virtual application Grant 8,677,345 - Choi , et al. March 18, 2	2014-03-18
Method and apparatus for watermarking of 3D mesh model Grant 8,610,709 - Choi , et al. December 17, 2	2013-12-17
Method And Apparatus For Watermarking Of 3d Mesh Model App 20110286624 - Choi; Jong-Uk ; et al.	2011-11-24
System For Creating Virtual Application, Method For Installing Virtual Application, Method For Calling Native Api And Method For Executing Virtual Application App 20110072424 - Choi; Jong Uk ; et al.	2011-03-24
Method For Encrypting Digital File, Method For Decrypting Digital File, Apparatus For Processing Digital File And Apparatus For Converting Encryption Format App 20110010559 - Kim; Jong Young ; et al.	2011-01-13
Virtual Application Program System, Storing Device, Method For Executing Virtual Application Program And Method For Protecting Virtual Environment App 20110010756 - Choi; Jong Uk ; et al.	2011-01-13
Digital Information Security System, Kernal Driver Apparatus And Digital Information Security Method App 20100299759 - Kim; Jong Young ; et al.	2010-11-25
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
Method of authenticating an application for personal digital assistant using a unique ID based on a personal computer and system using thereof Grant 7,594,274 - Kim , et al. September 22, 2	2009-09-22
Apparatus and method for issuing and authenticating securities, etc. using digital watermarking Grant 7,457,957 - Choi , et al. November 25, 2	2008-11-25
Apparatus and method for producing a document verifiable for its forgery or alteration, and apparatus and method for authenticating the document Grant 7,447,329 - Choi , et al. November 4, 2	2008-11-04
Digital Information Storage System, Digital Information Security System, Method for Storing Digital Information and Method for Service Digital Information App 20080162948 - Choi; Jong-Uk ; et al.	2008-07-03
Method of embedding/detecting digital watermark and apparatus for using thereof Grant 7,395,432 - Lee , et al. July 1, 2	2008-07-01
Method of inserting/detecting digital watermark and apparatus for using thereof Grant 7,386,729 - Lee , et al. June 10, 2	2008-06-10
Digital image watermarking apparatus and method Grant 7,280,669 - Choi , et al. October 9, 2	2007-10-09
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
Watermarking of digital images using wavelet and discrete cosine transforms Grant 6,975,733 - Choi , et al. December 13, 2	2005-12-13
Method for embedding and extracting text into/from electronic documents Grant 6,940,995 - Choi , et al. September 6, 2	2005-09-06
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
Digital watermarking method and apparatus for audio data Grant 6,839,673 - Choi , et al. January 4, 2	2005-01-04
Method for embedding watermark into an image and digital video recorder using said method App 20040258243 - Shin, Dong-Hwan ; et al.	2004-12-23
Method of authenticating an application for personal digital assistant using a unique ID based on a personal computer and system using thereof App 20040243821 - Kim, Jong-Won ; et al.	2004-12-02
Apparatus and method for preventing forgery/alteration of the data recorded by digital voice recorder App 20040139324 - Shin, Dong-Hwan ; et al.	2004-07-15
Digital image watermarking apparatus and method App 20040091050 - Choi, Jong-Uk ; et al.	2004-05-13
Network camera apparatus, network camera server and digital video recorder for preventing forgery and alteration of a digital image, and apparatus for authenticating the digital image from said apparatus, and method thereof App 20040071311 - Choi, Jong-Uk ; et al.	2004-04-15
Method of embedding/detecting digital watermark and apparatus for using thereof App 20040049680 - Lee, Jung- Soo ; et al.	2004-03-11
Method of inserting/detecting digital watermark and apparatus for using thereof App 20040030899 - Lee, Jung-Soo ; et al.	2004-02-12
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
Apparatus and method for issuing and authenticating securities, etc. using digital watermarking App 20030159046 - Choi, Jong Uk ; et al.	2003-08-21
Apparatus and method for producing a document verifiable for its forgery or alteration, and apparatus and method for authenticating the document App 20030147549 - Choi, Jong-Uk ; et al.	2003-08-07
Method for embedding and extracting text into/from electronic documents App 20030099374 - Choi, Jong Uk ; et al.	2003-05-29
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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