Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11459259 | Method for realizing sludge safe disposal and resource recovery through sludge liquefaction and stratification | Jiangjian Shi | 2022-10-04 |
| 9794400 | Mobile terminal and ringtone playing method thereof | Ming Lei, Yuanzu Tang, Fan Wang, Haiying He, Wanming Zhang | 2017-10-17 |