Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352190 | Air-transparent selective sound silencer using ultra-open metamaterial | Xin Zhang, Reza Ghaffarivardavagh | 2025-07-08 |
| 12085629 | Nonlinear and smart metamaterials useful to change resonance frequencies | Xin Zhang, Xiaoguang Zhao, Guangwu Duan | 2024-09-10 |
| 11846217 | Air-transparent selective sound silencer using ultra-open metamaterial | Xin Zhang, Reza Ghaffarivardavagh | 2023-12-19 |
| 11219384 | Nonlinear and smart metamaterials useful to change resonance frequencies | Xin Zhang, Xiaoguang Zhao, Guangwu Duan | 2022-01-11 |
| 10947876 | Air-transparent selective sound silencer using ultra-open metamaterial | Xin Zhang, Reza Ghaffarivardavagh | 2021-03-16 |
| 10884089 | Apparatus for improving magnetic resonance imaging | Xin Zhang, Guangwu Duan, Xiaoguang Zhao | 2021-01-05 |
| 10324152 | Apparatus for improving magnetic resonance imaging | Xin Zhang, Guangwu Duan, Xiaoguang Zhao | 2019-06-18 |
| 7448198 | Gas turbine braking apparatus and method | Ronald Trumper, Kevin Allan Dooley, Joseph Brand | 2008-11-11 |