Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10959298 | LED system with driver voltage clamping | Makalo Xie, Feifei Shen, Alex Ruan | 2021-03-23 |
| 10524321 | LED system with driver voltage clamping | Makalo Xie, Feifei Shen, Alex Ruan | 2019-12-31 |
| 9949327 | LED system with driver voltage clamping | Makalo Xie, Feifei Shen, Alex Ruan | 2018-04-17 |
| 5069147 | Touring system for a waste processing plant | Palatan L. J. Tan, David Tan | 1991-12-03 |
| 4384591 | Test in place valve and valve fitting | — | 1983-05-24 |