Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970615 | Compact high-stability optical switches | Zuyun Fang, Jianhua Wang | 2005-11-29 |
| 6813400 | Optical isolator | Hwa-Tse (Roger) Liang, Hua Guo | 2004-11-02 |
| 6631220 | Optical isolator | Hwa-Tse (Roger) Liang, Hua Guo | 2003-10-07 |