Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12342138 | Transducer apparatus: positioning and high signal-to-noise-ratio microphones | Chai Lung Lee, Joseph Sylvester Chang, Yin Sun, Tong Ge | 2025-06-24 |
| 11647330 | Transducer apparatus embodying non-audio sensors for noise-immunity | Joseph Sylvester Chang, Yin Sun, Chai Lung Lee, Tong Ge | 2023-05-09 |