Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699409 | Method for producing dot-printless light guide plate for liquid crystal display device using norbornene copolymer | Jae Geun Park, Bong Seok Moon, Keun Yoon | 2004-03-02 |
| 6682666 | Object with radially varying refractive index, and producing method and apparatus thereof | Han Cho | 2004-01-27 |