Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7956681 | Class D amplifier having PWM circuit with look-up table | David Filipe Correia Guilherme | 2011-06-07 |
| 7733171 | Class D amplifier having PWM circuit with look-up table | David Filipe Correia Guilherme | 2010-06-08 |