Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633459 | Functional recording-head on-slider lap monitor | Kevin Heim, Clifton Chang, Patrick J. Ryan | 2003-10-14 |
| 6483298 | Test simulation of a read/write head | Kevin Heim, Clifton Chang, Patrick J. Ryan | 2002-11-19 |