Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9424855 | Audio device and method for adding watermark data to audio signals | Ya-hui Zhang | 2016-08-23 |
| 9365596 | Method for preparing quaternary phosphonium salts | Zhuoqun Zheng, Dawei Shen, Yunhua Nie, Yumei Zhang | 2016-06-14 |