Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7937402 | Natural language based location query system, keyword based location query system and a natural language and keyword based location query system | Qiangze Feng, Hongwei Qi, Yuguang Liu, Huifeng Liu, Xiaowei Liu +1 more | 2011-05-03 |
| 7924162 | Tag identification system, tag reading apparatus, and method for determining sequence of tags | Chen Song, Bo Zhou, Xiaowei Liu | 2011-04-12 |
| 7908075 | Traffic information query system and traffic information query method | Hongwei Qi, Yuguang Liu, Xiaowei Liu, Huifeng Liu | 2011-03-15 |