Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12096179 | Acoustic device and electronic apparatus | Chunfa Liu, Tongyan Xu | 2024-09-17 |
| 12035121 | Conductive film for a sound generation device and the sound generation device | Xiaodong Guo | 2024-07-09 |
| 11962969 | Acoustic device and electronic apparatus | Chunfa Liu, Tongyan Xu | 2024-04-16 |
| 11930343 | Sound producing unit, sound producing module, and electronic terminal | Hanlong Cheng, Chunfa Liu | 2024-03-12 |
| 11310603 | Sound producing unit, sound producing module, and electronic terminal | Hanlong Cheng, Chunfa Liu | 2022-04-19 |
| 10433038 | Loudspeaker module | Tao Su, Jun Zhang | 2019-10-01 |
| 10219078 | Loudspeaker module | Jun Zhang | 2019-02-26 |
| 10057687 | Speaker structure | Xiang Guo | 2018-08-21 |
| 10021489 | Loudspeaker module | Jun Zhang | 2018-07-10 |
| 9832565 | Speaker sound hole device | Jun Zhang, Xinfeng Yang | 2017-11-28 |
| 9369806 | Moving-coil electroacoustic transducer | Jianjian Wang, Ze Wang, Lianshan Ge, Chunfa Liu | 2016-06-14 |