Pietro Erratico
17Patents
7h-index
18Co-inventors
63Inventor score
Filing activity: May 13, 1982 → Nov 12, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4673889A | Apparatus and method for muting an output signal in a switching amplifier | Electricity | 34 | Expired |
| US5231051A | Method for formation of contact plugs utilizing etchback | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6992367B2 | Process for forming a buried cavity in a semiconductor material wafer and a buried cavity | Performing Operations; Transporting | 14 | Expired |
| US4611162A | Parallel voltage regulators with different operating characteristics collectively forming a single regulator with wide operating range | Physics | 12 | Expired |
| US6693039B2 | Process for forming a buried cavity in a semiconductor material wafer and a buried cavity | Performing Operations; Transporting | 11 | Expired |
| US6400001B1 | Varactor, in particular for radio-frequency transceivers | Electricity | 8 | Expired |
| US4672326A | Limited output operational amplifier | Electricity | 7 | Expired |
| US5602914A | Device for limiting the working voltage for mechanical switches in telephony | Electricity | 5 | Expired |
| US4716321A | Low noise, high thermal stability attenuator of the integratable type | Electricity | 5 | Expired |
| US4752722A | Control circuit with compensation of the anode voltage variation for televisor vertical deflection stage | Electricity | 4 | Expired |
| US4698519A | Monolithically integratable high-efficiency control circuit for switching transistors | Electricity | 4 | Expired |
| US5459787A | Circuit for the implementation of an impedance for a telephone speech circuit | Electricity | 4 | Expired |
| US4417292A | Power amplifier protection circuit | Electricity | 3 | Expired |
| US5448636A | Device for limiting the working voltage mechanical switches in telephony | Electricity | 3 | Expired |
| US5525832A | Substrate insulation device | Electricity | 3 | Expired |
| US5401995A | Circuit with diode-protected emitter resistors | Electricity | 2 | Expired |
| US6828651B2 | Integrated structure | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.