Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7372651 | Introducing a noise signal into a read-back signal when data is written to a removable data storage medium | Dan Gunderson, Chung Song, Ryan P. McCallister | 2008-05-13 |
| 6343336 | Transfer function compatibility for information for information storage reproduction | David Norton | 2002-01-29 |
| 5712539 | Digital acoustic noise reduction in electric motors driven by switching power amplifiers | James Zweighaft, Christopher Koerner | 1998-01-27 |