Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770842 | Method and apparatus for cutting a substrate into multiple pieces with a single irradiation of a laser beam | Hyung-Woo Nam, Dae-Ho Choo | 2004-08-03 |
| 6734391 | Method and apparatus for cutting nonmetallic substrate | — | 2004-05-11 |
| 6713720 | Method for cutting a non-metallic substrate | Dae-Ho Choo, Hyung-Woo Nam, Yong-Joon Kwon | 2004-03-30 |