Inventor · Munich, DE

Wilhelm Wilhelm

26Patents
7h-index
13Co-inventors
66Inventor score

Filing activity: Jun 24, 1977 → Nov 18, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US4112253A Device for the transmission of push-pull signals across a two-wire line in full duplex operation Electricity 38 Expired
US5397938A Current mode logic switching stage Electricity 27 Expired
US5742133A Driver circuit for an led Emerging Cross-Sectional Technologies 25 Expired
US5640128A Transimpedance amplifier circuit Electricity 10 Expired
US4879530A Monolithically integratable phase shifter VCO Electricity 9 Expired
US6067339A Frequency divider with lower power consumption Electricity 8 Expired
US4730349A Wideband frequency divider Electricity 8 Expired
US4380060A Device for push-pull transmission Electricity 7 Expired
US4490669A Circuit configuration for generating a temperature-independent reference voltage Emerging Cross-Sectional Technologies 6 Expired
US4737664A Logic gates realized in differential cascode ECL technology Electricity 6 Expired
US5539350A Common mode logic line driver switching stage Electricity 5 Expired
US4601049A Integrable semiconductor circuit for a frequency divider Electricity 5 Expired
US4823030A Ecl logic gate using multi-emitter transistors Electricity 4 Expired
US4758740A Circuit for compensating the temperature dependence of gate transit times Electricity 4 Expired
US4641283A Circuit for reading bipolar storage cells Physics 4 Expired
US4634994A Bipolar logical circuit arrangement for signal regeneration Electricity 3 Expired
US4423370A Circuit configuration for generating a d-c output voltage independent of fluctuations of a d-c supply voltage Physics 3 Expired
US5473272A Digital differential amplifier switching stage with current switch Electricity 2 Expired
US4168540A Register building block with series connected cells to save dissipation loss Physics 2 Expired
US5521558A Inverter stage having diode load and ring oscillator using same Electricity 2 Expired
US5656927A Circuit arrangement for generating a bias potential Physics 1 Expired
US5917344A Driver circuit Electricity 1 Expired
US6121763A Circuit arrangement for generating a resistance behavior with an adjustable positive temperature coefficient as well as application of this circuit arrangement Emerging Cross-Sectional Technologies 1 Expired
US4319072A Cable consisting of three bundles each having three strands Electricity 1 Expired
US6791411B1 Power amplifier and a method for operating a power amplifier Electricity 1 Expired

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