Assignee
OH YUN-SANG
KR·9 granted patents·30 citations·filing 2005–2009
Top patents by PatentIndex Score
9 records- 0182US8646061B2Method and apparatus for transmitting rights object information between device and portable storageOH YUN-SANG·Filed 2005·Granted Feb 4, 2014·10 cites·37 claims
- 0276US8261073B2Digital rights management method and apparatusOH YUN-SANG·Filed 2007·Granted Sep 4, 2012·4 cites·29 claims
- 0370US8661430B2Device and portable storage device which are capable of transferring rights object, and a method of transferring rights objectOH YUN-SANG·Filed 2007·Granted Feb 25, 2014·3 cites·21 claims
- 0470US8181266B2Method for moving a rights object between devices and a method and device for using a content object based on the moving method and deviceOH YUN-SANG·Filed 2006·Granted May 15, 2012·5 cites·12 claims
- 0566US8161524B2Method and portable storage device for allocating secure area in insecure areaOH YUN-SANG·Filed 2006·Granted Apr 17, 2012·4 cites·20 claims
- 0664US8918640B2Apparatus and method for using secure removable media (SRM) in digital rights managementOH YUN-SANG·Filed 2009·Granted Dec 23, 2014·2 cites·27 claims
- 0762US8438112B2Host device, portable storage device, and method for updating meta information regarding right objects stored in portable storage deviceOH YUN-SANG·Filed 2006·Granted May 7, 2013·1 cites·20 claims
- 0855US8180709B2Method and device for consuming rights objects having inheritance structure in environment where the rights objects are distributed over plurality of devicesOH YUN-SANG·Filed 2006·Granted May 15, 2012·1 cites·20 claims
- 0936US8191129B2Apparatus and method for processing digital rights objectOH YUN-SANG·Filed 2005·Granted May 29, 2012·0 cites·29 claims
Join the waitlist — get patent alerts
Get an alert when OH YUN-SANG files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →