Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9978371 | Text conversion method and device | Lin Ma, Weibin Zhang | 2018-05-22 |
| 6810376 | System and methods for determining semantic similarity of sentences | Yi Guan | 2004-10-26 |
| 6687689 | System and methods for document retrieval using natural language-based queries | Chi Shun Cheung, Yi Guan, Yongsheng Yang | 2004-02-03 |