Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11109458 | Phototherapy system with dynamic drive for light-emitting diodes | Richard K. Williams, Keng Hung Lin, Daniel Schell | 2021-08-31 |
| 10328276 | Sinusoidal drive system and method for phototherapy | Richard K. Williams, Keng Hung Lin, Daniel Schell | 2019-06-25 |
| 9895550 | Flexible LED light pad for phototherapy | Richard K. Williams, Keng Hung Lin, Yu-Min Lin, Daniel Schell | 2018-02-20 |