Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7089547 | Firmware updating | Brian G. Goodman, Timothy Pierce | 2006-08-08 |
| 5426625 | Masking of tracking error signal abnormalities due to media defects | Nhan X. Bui, Alan A. Fennema | 1995-06-20 |
| 5164932 | Acquiring a best focus using a focus signal offset | Alan A. Fennema | 1992-11-17 |