Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639698 | Optical scanning unit with rotatable hologram disc | Hwan-young Choi, Moon-gyu Lee, Sung Min Cho, Jae-Youn Eum, Young Il Kim +1 more | 2003-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639698 | Optical scanning unit with rotatable hologram disc | Hwan-young Choi, Moon-gyu Lee, Sung Min Cho, Jae-Youn Eum, Young Il Kim +1 more | 2003-10-28 |