Sung; Maeng-hee

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sung; Maeng-hee.The latest application filed is for "tag generation method in broadcast encryption system".

Company Profile

0.26.27

Sung; Maeng-hee - Seoul KR
Sung; Maeng-hee - Yongin-si N/A KR
Sung; Maeng Hee - 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
Broadcast encryption method and broadcast decryption method thereof Grant 8,625,784 - Sung , et al. January 7, 2	2014-01-07
Method and system for updating time information of a DRM device Grant 8,595,496 - Kim , et al. November 26, 2	2013-11-26
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
User key allocation method for broadcast encryption Grant 8,515,074 - Jung , et al. August 20, 2	2013-08-20
Method and apparatus of generating encryption key for broadcast encryption Grant 8,509,433 - Jung , et al. August 13, 2	2013-08-13
Tag Generation Method In Broadcast Encryption System App 20120263300 - JIN; Weon-il ; et al.	2012-10-18
Tag Generation Method In Broadcast Encryption System App 20120036353 - Jin; Weon-il ; et al.	2012-02-09
Network and domain-creating method thereof Grant 8,056,117 - Jung , et al. November 8, 2	2011-11-08
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
Radio frequency system and password management method in radio frequency system Grant 7,942,335 - Kim , et al. May 17, 2	2011-05-17
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
Radio Frequency Identification (rfid) Tag Encryption Method And System Using Broadcast Encryption (be) Scheme App 20090278664 - JIN; Weon-il ; et al.	2009-11-12
Method for supporting mutual exclusion function and DRM device thereof Grant 7,617,323 - Kim , et al. November 10, 2	2009-11-10
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 For Detecting Gateway In Private Network And Apparatus For Executing The Method App 20090190602 - Sung; Maeng Hee ; et al.	2009-07-30
Content Service Providing Method And Authentication Method Between Devices Using Broadcast Encryption, Display Device, And Resource-constrained Device App 20090097648 - JUNG; Bae Eun ; et al.	2009-04-16
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
Method for implementing DRM function and additional function using DRM device and system thereof App 20080195864 - Kim; Hee Jean ; et al.	2008-08-14
Method and system for updating time information of a DRM device App 20080195869 - Kim; Hee Jean ; et al.	2008-08-14
Apparatus for encryption and method using the same App 20080187132 - Sung; Maeng Hee ; et al.	2008-08-07
Method for supporting mutual exclusion function and DRM device thereof App 20080183881 - Kim; Hee Jean ; et al.	2008-07-31
Broadcast Encryption Method And Broadcast Decryption Method Thereof App 20080152132 - SUNG; Maeng Hee ; et al.	2008-06-26
Method and apparatus for successive data processing by information exchange App 20080148263 - Jin; Weon Il ; et al.	2008-06-19
Method and apparatus for broadcast encryption using bilinear map App 20080085005 - Jung; Bae Eun ; et al.	2008-04-10
Method and apparatus of generating encryption key for broadcast encryption App 20080086636 - Jung; Bae Eun ; et al.	2008-04-10
User key allocation method for broadcast encryption App 20070291948 - Jung; Bae-eun ; 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
Network and domain-creating method thereof App 20070177737 - Jung; Bae-eun ; et al.	2007-08-02
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
Authentication method for fast handover in a wireless local area network Grant 7,158,777 - Lee , et al. January 2, 2	2007-01-02
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
Authentication method for fast handover in a wireless local area network App 20040077335 - Lee, Kyung-Hee ; et al.	2004-04-22

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