Peter J. Frith
40Patents
11h-index
7Co-inventors
68Inventor score
Filing activity: May 16, 2002 → Jun 21, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7714660B2 | Amplifier circuit and methods of operation thereof | Electricity | 31 | Active |
| US7102557B1 | Switched capacitor DAC | Electricity | 30 | Expired |
| US7626445B2 | Charge pump circuit and methods of operation thereof | Electricity | 25 | Active |
| US7622984B2 | Charge pump circuit and methods of operation thereof | Electricity | 25 | Active |
| US8363856B2 | Audio amplifier circuit and electronic apparatus including the same | Electricity | 22 | Active |
| US9136755B2 | Charge pump circuit | Electricity | 17 | Active |
| US9793867B2 | Method and apparatus for achieving very high-output signal swing from class-D amplifier using fewer components | Electricity | 15 | Active |
| US6952176B2 | Digital-to-analogue converter circuits | Electricity | 13 | Expired |
| US6600365B1 | Audio transient suppression circuits and methods | Electricity | 11 | Expired |
| US9806684B2 | Method and apparatus for achieving very high-output signal swing from class-D amplifier | Electricity | 11 | Active |
| US9973157B2 | Method and apparatus for achieving high-output signal swing from class-D amplifier | Electricity | 11 | Active |
| US9424849B2 | Data transfer | Electricity | 10 | Active |
| US8890604B2 | Charge pump circuit | Electricity | 10 | Active |
| US9735672B2 | Charge pump circuit | Electricity | 7 | Active |
| US10312802B2 | Charge pump circuit | Electricity | 7 | Active |
| US9685856B2 | Charge pump circuit | Electricity | 5 | Active |
| US8183931B2 | Amplifier circuit and methods of operation thereof | Electricity | 4 | Active |
| US7402986B2 | Power supply circuit for portable battery powered device | Electricity | 3 | Expired |
| US11146171B2 | Charge pump circuit | Electricity | 3 | Active |
| US10636431B2 | Data transfer | Electricity | 1 | Active |
| US8660277B2 | Amplifier circuit and methods of operation thereof | Electricity | 1 | Active |
| US12002482B2 | Data transfer | Electricity | 1 | Active |
| US10014769B2 | Charge pump circuit | Electricity | 1 | Active |
| US9306448B2 | Amplifier circuit and methods of operation thereof | Electricity | 1 | Active |
| US8373506B2 | Amplifier circuit and methods of operation thereof | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.