Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8504367 | Speech retrieval apparatus and speech retrieval method | DaFei Shi, Yaojie Lu, Jichuan Zheng, Lijun Zhao | 2013-08-06 |
| 8316004 | Speech retrieval apparatus and speech retrieval method | Yaojie Lu, DaFei Shi, Jichuan Zheng, Lijun Zhao | 2012-11-20 |