Inventor
LEE SUN-NAM
KR15 patents
⚠️ This page may combine multiple inventors who share the name “LEE SUN-NAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
5 patentsUS7788728B2Aug 31, 2010
Method and apparatus for limiting number of times contents can be accessed using hash chain
SAMSUNG ELECTRONICS CO LTD10 citations83
US7653713B2Jan 26, 2010
Method of measuring round trip time and proximity checking method using the same
SAMSUNG ELECTRONICS CO LTD9 citations83
US8005758B2Aug 23, 2011
Encryption/decryption method and apparatus for controlling content use based on license information
SAMSUNG ELECTRONICS CO LTD2 citations61
US10609007B2Mar 31, 2020
Method and apparatus for controlling transmission of content data
SAMSUNG ELECTRONICS CO LTD0 citations51
US7826615B2Nov 2, 2010
Scrambling apparatus and method using conversion of motion vector information of video data
SAMSUNG ELECTRONICS CO LTD0 citations51
HAN SUNG-HYU
2 patentsUS8983071B2Mar 17, 2015
Key management method using hierarchical node topology, and method of registering and deregistering user using the same
HAN SUNG-HYU12 citations81
US8341402B2Dec 25, 2012
Method of controlling content access and method of obtaining content key using the same
HAN SUNG-HYU4 citations60