Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6518698 | Semiconductor laser cathode ray tube for driving at room temperature | Chung Dam Song, Sang Kyun Kim, Young-Woo Song, Moon-gueon Kim, Duk-sung Park +1 more | 2003-02-11 |
| 5521459 | Liquid cooling type projection cathode ray tube | — | 1996-05-28 |
| 5471111 | Liquid cooling type projection cathode ray tube | — | 1995-11-28 |