Inventor · Ottawa, ON, CA

William W. Bereza

27Patents
11h-index
21Co-inventors
71Inventor score

Filing activity: Nov 7, 1996 → Feb 14, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US5801578A Charge pump circuit with source-sink current steering Electricity 30 Expired
US5734279A Charge Pump Circuit Electricity 29 Expired
US7693691B1 Systems and methods for simulating link performance Physics 20 Active
US7598779B1 Dual-mode LVDS/CML transmitter methods and apparatus Electricity 16 Expired
US7352229B1 Reference clock receiver compliant with LVPECL, LVDS and PCI-Express supporting both AC coupling and DC coupling Electricity 16 Active
US8654898B2 Digital equalizer for high-speed serial communications Electricity 15 Active
US7656323B2 Apparatus for all-digital serializer-de-serializer and associated methods Electricity 15 Active
US8031011B2 Digitally controlled oscillators Electricity 15 Active
US7590207B1 Modular serial interface in programmable logic device Electricity 12 Active
US5821823A Voltage-controlled oscillator Electricity 12 Expired
US7385429B1 Charge pump with reduced current mismatch Electricity 11 Expired
US7812659B1 Clock signal circuitry for multi-channel data signaling Physics 9 Active
US7902888B1 Charge pump with reduced current mismatch Electricity 9 Active
US7639993B1 Power supply circuitry for data signal transceivers on integrated circuits Electricity 9 Active
US6985021B1 Circuits and techniques for conditioning differential signals Electricity 9 Expired
US8130044B2 Phase-locked loop circuitry with multiple voltage-controlled oscillators Electricity 8 Active
US7675440B1 Thermometer-code-to-binary encoders Electricity 6 Active
US7619460B2 Reference clock receiver compliant with LVPECL, LVDS and PCI-Express supporting both AC coupling and DC coupling Electricity 5 Active
US7304498B2 Clock circuitry for programmable logic devices Electricity 5 Active
US8212610B2 Techniques for digital loop filters Electricity 4 Active
US8125362B1 Apparatus and associated methods for generating reference signals Electricity 4 Active
US7848402B1 Phase-adjusted pre-emphasis and equalization for data communication Electricity 4 Active
US8217693B2 Charge pump with reduced current mismatch Electricity 3 Active
US7825527B2 Return loss techniques in wirebond packages for high-speed data communications Electricity 2 Active
US9160405B1 Self-tuning high speed transceiver for IC wireline channel Electricity 2 Active

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