Inventor · Varese, IT

Fabrizio Stefani

18Patents
7h-index
16Co-inventors
59Inventor score

Filing activity: Nov 15, 1982 → Dec 4, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US4549095A Control circuit for switching inductive loads Electricity 20 Expired
US6160416A Full CMOS slew rate controlled input/output buffer Electricity 12 Expired
US5068620A Circuit for securing output distortion, in particular of final stages of audio devices Electricity 9 Expired
US4682197A Power transistor with spaced subtransistors having individual collectors Electricity 9 Expired
US5801536A Test method for power integrated devices Physics 8 Expired
US5107389A Circuit for limiting temperature without distortion in audio power amplifiers Electricity 8 Expired
US4636713A Monolithically integratable control circuit for switching inductive loads comprising a Darlington-type final stage Electricity 7 Expired
US4612452A Control circuit for the switching of inductive loads having a push-pull output stage Electricity 6 Expired
US4714898A Device for protecting the final stage of a power amplifier against shorting Electricity 5 Expired
US4553046A Monolithically integratable bistable multivibrator circuit having at least one output that can be placed in a preferential state Electricity 4 Expired
US5568342A Apparatus and method for protecting an amplifier circuit Electricity 4 Expired
US4849713A High-dynamics amplifier stage with distortion detection Electricity 3 Expired
US6222414A Bipolar-plus-DMOS mixed-typology power output stage Electricity 3 Expired
US4916408A Power stage with increased output dynamics Electricity 2 Expired
US4888563A Audio amplifier having a low-noise input stage Electricity 2 Expired
US4878032A Amplifier stage with collector output Electricity 1 Expired
US4717887A Differential amplifier stage having circuit elements for setting the gain to zero Electricity 1 Expired
US5204638A Intrinsic offset recovery circuit particularly for amplifiers Electricity 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.