Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10219106 | Secure BLE broadcast system for location based service | Andy Lam, Aldar Chun Fai Chan | 2019-02-26 |
| 5263683 | Sliding sleeve valve | — | 1993-11-23 |
| 5156820 | Reaction chamber with controlled radiant energy heating and distributed reactant flow | Yen-Hui Ku | 1992-10-20 |
| 5002630 | Method for high temperature thermal processing with reduced convective heat loss | Ahmad Kermani, Mike Robertson, Yen-Hui Ku | 1991-03-26 |
| 4603742 | Subsurface safety valve | Larry F. Grohman | 1986-08-05 |
| 4552219 | Subsurface safety valve | Larry F. Grohman | 1985-11-12 |