Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10403162 | Game system and method for learning mathematics | — | 2019-09-03 |
| 10217373 | Learning system and method | — | 2019-02-26 |
| 8946188 | Anti-microbial agents and uses thereof | Derek Shieh Tan, Luis E. N. Quadri, Jae Ryu, Justin S. Cisar, Xuequan Lu | 2015-02-03 |
| 8757938 | Drill alignment tool | — | 2014-06-24 |
| 8461128 | Anti-microbial agents and uses thereof | Derek Shieh Tan, Luis E. N. Quadri, Jae Ryu, Justin S. Cisar, Xuequan Lu | 2013-06-11 |
| 5107594 | Piling cutting tool | — | 1992-04-28 |