Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10687140 | Method for enhancing noise reduction amount of feedback active noise reduction headphone, and active noise reduction headphones | Peng Li, Ruohui Wang | 2020-06-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10687140 | Method for enhancing noise reduction amount of feedback active noise reduction headphone, and active noise reduction headphones | Peng Li, Ruohui Wang | 2020-06-16 |