Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10444421 | LED-based light fixture | Yifeng Qiu | 2019-10-15 |
| 10418534 | Light guide with patterned ink | Xin Zhang, Frederic Stephane Diana | 2019-09-17 |
| 10345509 | Luminaire having an asymmetrical light distribution pattern | Frederic Stephane Diana | 2019-07-09 |