Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9672421 | Method and apparatus for recording reading behavior | Chia-Chun Tsou, Po-Tsung Lin | 2017-06-06 |
| 9207762 | Method and apparatus for marking electronic document | Chia-Chun Tsou, Po-Tsung Lin | 2015-12-08 |