Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7120097 | System for making a photoresist master for a hybrid optical recording disc | Bruce Ha | 2006-10-10 |
| 6480462 | Hybrid optical disc construction | Bruce Ha, James A. Barnard | 2002-11-12 |
| 6212158 | Hybrid optical disc construction | Bruce Ha, James A. Barnard | 2001-04-03 |