Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639698 | Optical scanning unit with rotatable hologram disc | Hwan-young Choi, Moon-gyu Lee, Jae-Youn Eum, Jin-seung Choi, Young Il Kim +1 more | 2003-10-28 |
| 6522900 | Method for displaying battery voltage in TDMA radio terminal | — | 2003-02-18 |