Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10404685 | User security authentication system in internet and method thereof | — | 2019-09-03 |
| 10227744 | Block for preventing sand erosion | Hee Sung CHO | 2019-03-12 |
| 10205669 | System and method of site traffic control | Yu Tang, Bryant Genepang Luk, Jennifer T. Brenner, Robert He, Christopher Diebold O'Toole +3 more | 2019-02-12 |