Byeongseok Oh

Follow

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Copy-protected optical recording medium and a method for manufactur...
- Patent number 7,200,086
- Issue date Apr 3, 2007
- Settec Inc.
- Heung-Chan Seung
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Copy-protected optical recording medium and a method for manufactur...
- Publication number 20040196764
- Publication date Oct 7, 2004
- Heung-Chan Seung
- G11 - INFORMATION STORAGE