Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11313953 | Distance measuring module | Chiao-Wen Chang | 2022-04-26 |
| 9746589 | Range finder and prism assembly thereof | Hua-Tang Liu | 2017-08-29 |
| 9201229 | Photo-sensor type touch device and light module and optical lens for the photo-sensor type touch device | Hua-Tang Liu | 2015-12-01 |
| 8708527 | Light module and optical lens for the light module | Hua-Tang Liu | 2014-04-29 |
| 7831120 | Filter device and manufacturing method thereof | — | 2010-11-09 |