Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961300 | Optical recording medium having first and second super-resolution layers | Byung-ki Cheong, Won Mok Kim, Moonkyo Chung, Taek Sung Lee, Sung-Jin Park +2 more | 2005-11-01 |
| 6753059 | Optical recording material and optical recording medium using same | Byung-ki Cheong, Won Mok Kim, Taek Sung Lee, Sung-Jin Park, Tae-Yon Lee +1 more | 2004-06-22 |
| 6670016 | High density optical information recording medium | Won Mok Kim, Byung-ki Cheong, Moon Kyo Chung, Taek Sung Lee | 2003-12-30 |