Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10757506 | Amplifier circuit for a parametric transducer and a related audio device | Joseph Sylvester Chang, Linfei Guo | 2020-08-25 |
| 10580830 | Method of fabricating an electrical circuit assembly on a flexible substrate | Joseph Sylvester Chang, Tong Lin, JIA-DE ZHOU | 2020-03-03 |