Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10272589 | Mailbox punching device | — | 2019-04-30 |
| 7505192 | Optical apparatus having a compound tri-state non-reciprocal rotator | Jing Zhao, Guanghai Jin | 2009-03-17 |
| 7224860 | Multi-port optical switches | Jing Zhao | 2007-05-29 |
| 6823102 | Highly stable opto-mechanic switches | Jing Zhao | 2004-11-23 |