Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5734538 | Tape cartridge with increased storage capacity | Xiaohong Hu | 1998-03-31 |
| 5543992 | Tape cartridge with increased storage capacity | Xiaohong Hu | 1996-08-06 |
| 4787830 | Resilient diesel governor coupling | — | 1988-11-29 |