Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667842 | Negative feedback impedance matched preamplifier | Jonathan P. Comeau, Ronen Malka, David Fitzgerald | 2003-12-23 |
| 6621648 | Look ahead write precompensation | Carl F. Elliott, John D. Leigthon, Daniel J. Galaba, Thomas K. Adams | 2003-09-16 |
| 6493161 | Pulse-mode writer | Carl F. Elliott, John D. Leighton | 2002-12-10 |
| 6256161 | Echo cancellation for disk drive read circuit | John D. Leighton | 2001-07-03 |