Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12198712 | Speech signal processing method and apparatus | Xianchun Zhang | 2025-01-14 |
| 12106765 | Speech signal processing method and apparatus with external and ear canal speech collectors | Xianchun Zhang | 2024-10-01 |