Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7149179 | Optical disc having variable spare area rates and method for variably setting the rate of spare areas in the optical disc | — | 2006-12-12 |
| 7079476 | Optical disc having variable spare area rates and method for variably setting the rate of spare areas in the optical disc | — | 2006-07-18 |
| 6621781 | Copy protection system and method for optical disks and a copy protected optical disk | — | 2003-09-16 |
| 6205096 | Method for testing quality of an optical disk medium | Hyung Kyu Kim | 2001-03-20 |
| 6188657 | Method and apparatus for testing quality of an optical disk medium | Dae-Young Kim, Dong Seok Bae, Hyung Kyu Kim | 2001-02-13 |
| 6058086 | Method and apparatus for testing quality of an optical disk medium | Hyung Kyu Kim, Dong Seok Bae | 2000-05-02 |