Inventor · disambiguated record
Chang-Sup Ahn
Also filed as: AHN CHANG S · AHN CHANG-SUP
7 granted patents·9 pending applications·11 citations·filing 1989–2016
75Inventor score
Top patents by PatentIndex Score
16 records- 0168US8300959B2Transport stream structure of image data having additional information inserted, and method and apparatus for transmission and reception thereofAHN CHANG-SUP·Filed 2008·Granted Oct 30, 2012·4 cites·47 claims
- 0258US8015342B2Method of managing and restoring identifier of storage device and apparatus thereforSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Sep 6, 2011·1 cites·19 claims
- 0352US8402285B2Method of encrypting and storing digital content using firmware regional code and apparatus thereforKIM BONG-SEON·Filed 2007·Granted Mar 19, 2013·0 cites·13 claims
- 0452US8234718B2Method and apparatus for forbidding use of digital content against copy control informationKIM BONG-SEON·Filed 2008·Granted Jul 31, 2012·0 cites·8 claims
- 0551US2009052670A1Method and apparatus for storing digital content in storage deviceSAMSUNG ELECTRONICS CO LTD·Filed 2008·Application pending·0 cites
- 0648US2009293058A1Virtual system and method of restricting use of contents in the virtual systemSAMSUNG ELECTRONICS CO LTD·Filed 2009·Application pending·0 cites
- 0747US11281778B2Device and method for verifying applicationSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Mar 22, 2022·0 cites·13 claims
- 0846US2010218234A1Method and apparatus for limiting operation of digital rights management moduleSAMSUNG ELECTRONICS CO LTD·Filed 2009·Application pending·0 cites
- 0946US2009038007A1Method and apparatus for managing client revocation listSAMSUNG ELECTRONICS CO LTD·Filed 2008·Application pending·0 cites
- 1044US10565368B2Electronic device and method of controlling sameSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Feb 18, 2020·0 cites·16 claims
- 1144US2008247546A1Method and apparatus for protecting digital content stored in usb mass storage device using time informationSAMSUNG ELECTRONICS CO LTD·Filed 2007·Application pending·0 cites
- 1243US2008247540A1Method and apparatus for protecting digital contents stored in usb mass storage deviceSAMSUNG ELECTRONICS CO LTD·Filed 2007·Application pending·0 cites
- 1343US2008077913A1Information recording medium, apparatus and method of reproducing contentsSAMSUNG ELECTRONICS CO LTD·Filed 2007·Application pending·0 cites
- 1442US5004360ACarriage device for an electronic typewriter using a two-row daisy wheelGOLD STAR CO·Filed 1989·Granted Apr 2, 1991·6 cites·9 claims
- 1542US2009199303A1Ce device management server, method of issuing drm key by using ce device management server, and computer readable recording mediumSAMSUNG ELECTRONICS CO LTD·Filed 2008·Application pending·0 cites
- 1631US2004062039A1Portable electronic signal light with power self-generatorFiled 2001·Application pending·0 cites
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