Inventor
KIM HWAN-JOON
KR36 patents
⚠️ This page may combine multiple inventors who share the name “KIM HWAN-JOON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
17 patentsUS7486171B2Feb 3, 2009
RFID tag, system for purchasing service by using RFID tag, and method thereof
SAMSUNG ELECTRONICS CO LTD24 citations92
US8055896B2Nov 8, 2011
Tag generation method in broadcast encryption system
SAMSUNG ELECTRONICS CO LTD9 citations84
US7942335B2May 17, 2011
Radio frequency system and password management method in radio frequency system
SAMSUNG ELECTRONICS CO LTD8 citations84
US7779262B2Aug 17, 2010
Security method using electronic signature
SAMSUNG ELECTRONICS CO LTD11 citations84
US7576651B2Aug 18, 2009
Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme
SAMSUNG ELECTRONICS CO LTD14 citations84
US7929705B2Apr 19, 2011
Method of managing user key for broadcast encryption
SAMSUNG ELECTRONICS CO LTD9 citations83
US7903868B2Mar 8, 2011
Video fingerprinting apparatus in frequency domain and method using the same
SAMSUNG ELECTRONICS CO LTD13 citations82
US7760096B2Jul 20, 2010
Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme
SAMSUNG ELECTRONICS CO LTD5 citations73
US7755469B2Jul 13, 2010
Radio frequency identification tag and radio frequency identification privacy protection system and method
SAMSUNG ELECTRONICS CO LTD7 citations73
US8005225B2Aug 23, 2011
Hierarchical threshold tree-based broadcast encryption method
SAMSUNG ELECTRONICS CO LTD6 citations63
US7848525B2Dec 7, 2010
Hybrid broadcast encryption method
SAMSUNG ELECTRONICS CO LTD2 citations63
US8374353B2Feb 12, 2013
Method and apparatus for updating a group key
SAMSUNG ELECTRONICS CO LTD1 citations52
US8054975B2Nov 8, 2011
Method and system for managing key of home device in broadcast encryption (BE) system
SAMSUNG ELECTRONICS CO LTD1 citations52
US7810113B2Oct 5, 2010
Security device and head end in conditional access system and method for controlling illegal use in the system
SAMSUNG ELECTRONICS CO LTD1 citations52
US7752435B2Jul 6, 2010
Method for managing user key for broadcast encryption
SAMSUNG ELECTRONICS CO LTD0 citations52
USRE45213EOct 28, 2014
Method of managing user key for broadcast encryption
SAMSUNG ELECTRONICS CO LTD0 citations51
USRE45191EOct 14, 2014
Method of managing user key for broadcast encryption
SAMSUNG ELECTRONICS CO LTD0 citations51
JIN WEON-IL
4 patentsUS8200963B2Jun 12, 2012
Combination-based broadcast encryption method
JIN WEON-IL8 citations83
US9571213B2Feb 14, 2017
Tag generation method in broadcast encryption system
JIN WEON-IL0 citations51
US8897445B2Nov 25, 2014
Combination-based broadcast encryption method
JIN WEON-IL0 citations51
US8578154B2Nov 5, 2013
Tag generation method in broadcast encryption system
JIN WEON-IL0 citations51
KIM HWAN-JOON
4 patentsUS8160246B2Apr 17, 2012
Apparatus and method for generating a key for broadcast encryption
KIM HWAN-JOON14 citations83
US8813106B2Aug 19, 2014
Method and system for electronic commerce using internet protocol television (IPTV) and mobile terminal
KIM HWAN-JOON1 citations51
US8755520B2Jun 17, 2014
Apparatus and method for generating a key for broadcast encryption
KIM HWAN-JOON0 citations51
US8566958B2Oct 22, 2013
Method for authorizing contents play rights in use of a recording medium
KIM HWAN-JOON0 citations41
HUH MI SUK
3 patentsKIM HWAN JOON
3 patentsUS8107669B2Jan 31, 2012
Video watermarking apparatus in compression domain and method using the same
KIM HWAN JOON4 citations61
US9100654B2Aug 4, 2015
Method and apparatus for inserting video watermark in compression domain
KIM HWAN JOON1 citations51
US8094871B2Jan 10, 2012
Method and apparatus for inserting video watermark in compression domain
KIM HWAN JOON1 citations51