Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5968588 | In-situ liquid flow rate estimation and verification by sonic flow method | Visweswaren Sivaramakrishnan, Yen-Kun Wang, Fong Chang, Thanh Pham | 1999-10-19 |
| 5866795 | Liquid flow rate estimation and verification by direct liquid measurement | Yen-Kun Wang, Fong Chang, Thanh Pham | 1999-02-02 |