Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12083718 | Preparation method of high-rate foamed polylactic acid (PLA) sheet | Lejun Wang, Weiwei Huang, Zongqiang Zheng, Yining Liu | 2024-09-10 |
| 10283104 | Method and apparatus for controlling earphone noise reduction | Haiquan Wu, Ruiwen Shi, Xinian Geng, Guozhong Du, Jiayun Xu | 2019-05-07 |
| 10271126 | Earphone noise reduction method and apparatus | Haiquan Wu, Ruiwen Shi, Xinian Geng, Gouzhong Du, Jiayun Xu | 2019-04-23 |
| 9728204 | Method and device for drawing a noise map | Haiquan Wu, Ruiwen Shi, Xinian Geng, Guozhong Du, Jiayun Xu | 2017-08-08 |