Kim; Hwan-joon

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kim; Hwan-joon.The latest application filed is for "tag generation method in broadcast encryption system".

Company Profile

0.47.40

Kim; Hwan-joon - Seoul KR
Kim; Hwan Joon - Yongin-si KR
Kim; Hwan-joon - Suwon-si 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
Tag generation method in broadcast encryption system Grant 9,571,213 - Jin , et al. February 14, 2	2017-02-14
Method and apparatus for inserting video watermark in compression domain Grant 9,100,654 - Kim , et al. August 4, 2	2015-08-04
Computer system and method for preventing dynamic-link library injection attack Grant 8,966,511 - Kim , et al. February 24, 2	2015-02-24
Combination-based broadcast encryption method Grant 8,897,445 - Jin , et al. November 25, 2	2014-11-25
Method of managing user key for broadcast encryption Grant RE45,213 - Jin , et al. October 28, 2	2014-10-28
Method of managing user key for broadcast encryption Grant RE45,191 - Jin , et al. October 14, 2	2014-10-14
Method and system for electronic commerce using internet protocol television (IPTV) and mobile terminal Grant 8,813,106 - Kim August 19, 2	2014-08-19
Apparatus and method for generating a key for broadcast encryption Grant 8,755,520 - Kim , et al. June 17, 2	2014-06-17
Apparatus and method for detecting a code injection attack Grant 8,615,806 - Jin , et al. December 24, 2	2013-12-24
Tag generation method in broadcast encryption system Grant 8,578,154 - Jin , et al. November 5, 2	2013-11-05
Method for authorizing contents play rights in use of a recording medium Grant 8,566,958 - Kim , et al. October 22, 2	2013-10-22
Rekey index generation method and rekey index generation apparatus Grant 8,509,443 - Huh , et al. August 13, 2	2013-08-13
Method of and device for updating group key Grant 8,401,182 - Kim , et al. March 19, 2	2013-03-19
Method and apparatus for updating a group key Grant 8,374,353 - Kim , et al. February 12, 2	2013-02-12
Tag Generation Method In Broadcast Encryption System App 20120263300 - JIN; Weon-il ; et al.	2012-10-18
Method of updating group key and group key update device using the same Grant 8,270,614 - Kim , et al. September 18, 2	2012-09-18
Combination-based Broadcast Encryption Method App 20120213364 - JIN; Weon-il ; et al.	2012-08-23
Apparatus And Method For Generating A Key For Broadcast Encryption App 20120183136 - KIM; Hwan-joon ; et al.	2012-07-19
Combination-based broadcast encryption method Grant 8,200,963 - Jin , et al. June 12, 2	2012-06-12
Apparatus and method for generating a key for broadcast encryption Grant 8,160,246 - Kim , et al. April 17, 2	2012-04-17
Method of generating node indentifier in tree structure Grant 8,121,974 - Huh , et al. February 21, 2	2012-02-21
Tag Generation Method In Broadcast Encryption System App 20120036353 - Jin; Weon-il ; et al.	2012-02-09
Video watermarking apparatus in compression domain and method using the same Grant 8,107,669 - Kim , et al. January 31, 2	2012-01-31
Method and apparatus for inserting video watermark in compression domain Grant 8,094,871 - Kim , et al. January 10, 2	2012-01-10
Method and apparatus for inserting video watermark in compression domain App 20110311098 - Kim; Hwan Joon ; et al.	2011-12-22
Key update method and apparatus thereof Grant 8,081,754 - Huh , et al. December 20, 2	2011-12-20
Tag generation method in broadcast encryption system Grant 8,055,896 - Jin , et al. November 8, 2	2011-11-08
Method and system for managing key of home device in broadcast encryption (BE) system Grant 8,054,975 - Kim , et al. November 8, 2	2011-11-08
System, Apparatus, And Method For Downloading Firmware App 20110239211 - KIM; Hwan Joon ; et al.	2011-09-29
Hierarchical threshold tree-based broadcast encryption method Grant 8,005,225 - Kim , et al. August 23, 2	2011-08-23
Computer System and Method for Preventing Dynamic-Link Library Injection Attack App 20110179430 - Kim; Eun Ah ; et al.	2011-07-21
Apparatus and Method for Detecting a Code Injection Attack App 20110179490 - Jin; Weon Il ; et al.	2011-07-21
Radio frequency system and password management method in radio frequency system Grant 7,942,335 - Kim , et al. May 17, 2	2011-05-17
Communication Device Supporting Pairing App 20110093712 - JIN; Weon Il ; et al.	2011-04-21
Method of managing user key for broadcast encryption Grant 7,929,705 - Kim , et al. April 19, 2	2011-04-19
Video fingerprinting apparatus in frequency domain and method using the same Grant 7,903,868 - Kim , et al. March 8, 2	2011-03-08
Hybrid broadcast encryption method Grant 7,848,525 - Kim , et al. December 7, 2	2010-12-07
Security device and head end in conditional access system and method for controlling illegal use in the system Grant 7,810,113 - Kim , et al. October 5, 2	2010-10-05
Security method using electronic signature Grant 7,779,262 - Kim , et al. August 17, 2	2010-08-17
Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme Grant 7,760,096 - Jin , et al. July 20, 2	2010-07-20
Radio frequency identification tag and radio frequency identification privacy protection system and method Grant 7,755,469 - Sung , et al. July 13, 2	2010-07-13
Method for managing user key for broadcast encryption Grant 7,752,435 - Kim , et al. July 6, 2	2010-07-06
Personal Information Providing Apparatus And Method App 20100169980 - KIM; Hwan Joon ; et al.	2010-07-01
Apparatus And Method Of Protecting Private Information In Distributed Network App 20100162366 - JIN; Weon Il ; et al.	2010-06-24
Radio Frequency Identification (rfid) Tag Encryption Method And System Using Broadcast Encryption (be) Scheme App 20090278664 - JIN; Weon-il ; et al.	2009-11-12
Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme Grant 7,576,651 - Jin , et al. August 18, 2	2009-08-18
Method And System For Electronic Commerce Using Internet Protocol Television (iptv) And Mobile Terminal App 20090172765 - KIM; Hwan-joon	2009-07-02
RFID tag, system for purchasing service by using RFID tag, and method thereof Grant 7,486,171 - Kim , et al. February 3, 2	2009-02-03
Rekey index generation method and rekey index generation apparatus App 20080123853 - Huh; Mi Suk ; et al.	2008-05-29
Method and apparatus for local domain management using device with local authority module App 20080118068 - Kim; Dae Youb ; et al.	2008-05-22
Key update method and apparatus thereof App 20080120329 - Huh; Mi Suk ; et al.	2008-05-22
Method of generating node indentifier in tree structure App 20080086448 - Huh; Mi Suk ; et al.	2008-04-10
Method and apparatus for updating a group key App 20080075286 - Kim; Dae Youb ; et al.	2008-03-27
Video fingerprinting apparatus in frequency domain and method using the same App 20080019577 - Kim; Hwan Joon ; et al.	2008-01-24
Method of and device for updating group key App 20080013739 - Kim; Dae Youb ; et al.	2008-01-17
Method and apparatus for inserting video watermark in compression domain App 20070291978 - Kim; Hwan Joon ; et al.	2007-12-20
Video watermarking apparatus in compression domain and method using the same App 20070291980 - Kim; Hwan Joon ; et al.	2007-12-20
Security device for digital contents and method of using the same App 20070232269 - Jung; Bae-eun ; et al.	2007-10-04
Hierarchical threshold tree-based broadcast encryption method App 20070189539 - Kim; Dae-youb ; et al.	2007-08-16
Apparatus for managing DRM installation and method thereof App 20070183598 - Kim; Hwan-joon ; et al.	2007-08-09
Combination-based broadcast encryption method App 20070140483 - Jin; Weon-il ; et al.	2007-06-21
Radio frequency identification tag and radio frequency identification privacy protection system and method App 20070069851 - Sung; Maeng-hee ; et al.	2007-03-29
Radio frequency system and password management method in radio frequency system App 20070051799 - Kim; Dae-youb ; et al.	2007-03-08
Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme App 20070052523 - Jin; Weon-il ; et al.	2007-03-08
Method for authorizing contents play rights in use of a recording medium App 20070006251 - Kim; Hwan-joon ; et al.	2007-01-04
Method and system for managing key of home device in broadcast encryption (BE) system App 20060285694 - Kim; Dae-youb ; et al.	2006-12-21
Method of managing data in network system and a network system using the same App 20060288231 - Kim; Dae-youb ; et al.	2006-12-21
Security device and head end in conditional access system and method for controlling illegal use in the system App 20060271950 - Kim; Dae-youb ; et al.	2006-11-30
RFID tag, system for purchasing service by using RFID tag, and method thereof App 20060261949 - Kim; Hwan-joon ; et al.	2006-11-23
Security method using electronic signature App 20060248339 - Kim; Dae-youb ; et al.	2006-11-02
Tag generation method in broadcast encryption system App 20060236099 - Jin; Weon-il ; et al.	2006-10-19
Hybrid broadcast encryption method App 20060177067 - Kim; Hwan-joon ; et al.	2006-08-10
Method of managing user key for broadcast encryption App 20060129805 - Kim; Dae-youb ; et al.	2006-06-15
Method for managing user key for broadcast encryption App 20060107043 - Kim; Dae-youb ; et al.	2006-05-18
Apparatus and method for generating a key for broadcast encryption App 20060078110 - Kim; Hwan-joon ; et al.	2006-04-13

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