Inventor

OH YUN-SANG

KR32 patents

⚠️ This page may combine multiple inventors who share the name “OH YUN-SANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OH YUN-SANG

SAMSUNG ELECTRONICS CO LTD

Apparatus and method for operating plural applications between portable storage device and digital device

Method and apparatus for playing back content based on digital rights management between portable storage and device, and portable storage for the same

Method and apparatus for playing back content based on digital rights management between portable storage and device, and portable storage for the same

Method and apparatus for searching rights objects stored in portable storage device using object location data

Method and apparatus for searching rights objects stored in portable storage device using object location data

Apparatus and method for managing plurality of certificates

Method and apparatus for searching for rights objects stored in portable storage device object identifier

Method of transferring rights object and electronic device

Device and portable storage device which are capable of transferring rights object, and a method of transferring rights object

Device and portable storage device which are capable of transferring rights object, and a method of transferring rights object

Method and apparatus for transmitting rights object information between device and portable storage

Apparatus and method for hierarchically connecting devices

Method and apparatus for searching rights object and mapping method and mapping apparatus for the same

Apparatus and method for using contents information in digital rights management

Apparatus and method for implementing digital rights management systems in low-efficiency storage device

Focusing apparatus and lithography system using the same

Method and apparatus for implementing secure clock in device having no internal power source

OH YUN-SANG

Method and apparatus for transmitting rights object information between device and portable storage

Digital rights management method and apparatus

Apparatus and method for using secure removable media (SRM) in digital rights management

Device and portable storage device which are capable of transferring rights object, and a method of transferring rights object

Method for moving a rights object between devices and a method and device for using a content object based on the moving method and device

Method and portable storage device for allocating secure area in insecure area

Apparatus and method for processing digital rights object

Host device, portable storage device, and method for updating meta information regarding right objects stored in portable storage device

Method and device for consuming rights objects having inheritance structure in environment where the rights objects are distributed over plurality of devices

KIM YEO-JIN

Method and apparatus for creating and applying secure file identifier of rights object by using random numbers

Method and apparatus for efficiently providing location of contents encryption key

Apparatus and method for managing rights object

Apparatus and method of managing security data

LEE BYUNG-RAE

Apparatus and method for moving and copying rights objects between device and portable storage device

CHOI SEONG

Apparatus and method for using contents information in digital rights management