Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9794423 | Query by humming for ringtone search and download | Lie Lu, Xing Xie, Jiafan Ou, Ruihao Weng | 2017-10-17 |
| 9396257 | Query by humming for ringtone search and download | Lie Lu, Xing Xie, Jiafan Ou, Ruihao Weng | 2016-07-19 |
| 8116746 | Technologies for finding ringtones that match a user's hummed rendition | Lie Lu, Xing Xie, Jiafan Ou, Ruihao Weng | 2012-02-14 |