Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12300212 | Active noise cancellation integrated circuit for stacking at least one anti-noise signal and at least one non-anti-noise signal, associated method, and active noise cancellation headphone using the same | Chao-Ling Hsu, Kai Chen | 2025-05-13 |
| 12154536 | Active noise control circuit with multiple filters connected in parallel fashion and associated method | Chao-Ling Hsu, Shih-Kai He | 2024-11-26 |
| 11955108 | Adaptive active noise cancellation apparatus and audio playback system using the same | Chao-Ling Hsu | 2024-04-09 |
| 11942068 | Adaptive active noise control system with unstable state handling and associated method | Chao-Ling Hsu | 2024-03-26 |
| 11875772 | Adaptive active noise control system with double talk handling and associated method | Chao-Ling Hsu | 2024-01-16 |
| 11721315 | Active noise cancellation integrated circuit for stacking multiple anti-noise signals, associated method, and active noise cancellation headphone using the same | Chao-Ling Hsu, Kai Chen | 2023-08-08 |
| 7148434 | Gearshift mechanism for electromotive toy car | — | 2006-12-12 |
| D472844 | Christmas tree | — | 2003-04-08 |