Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8097851 | Light detection circuit for ambient light and proximity sensor | Tom Chang, Andrew Grzegorek | 2012-01-17 |
| 7960699 | Light detection circuit for ambient light and proximity sensor | Tom Chang, Andrew Grzegorek, John C. Canfield | 2011-06-14 |