Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961200 | Optical servo track identification on tape storage media | Hong Chen, Peiqian Zhao | 2005-11-01 |
| 6940681 | Optical to magnetic alignment in magnetic tape system | George Bellesis, Leo Guglielmo, Robert Alan Johnson, James Fitzpatrick | 2005-09-06 |