Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371159 | Helicopter active noise suppression device integrating sound array and on-propeller control | Yongjie Shi, Zhiyuan Hu, Guohua Xu, Yang Liu | 2025-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371159 | Helicopter active noise suppression device integrating sound array and on-propeller control | Yongjie Shi, Zhiyuan Hu, Guohua Xu, Yang Liu | 2025-07-29 |