Inventor · San Jose, CA, US

Mark E. Fitzpatrick

38Patents
17h-index
23Co-inventors
81Inventor score

Filing activity: Nov 22, 1983 → Nov 27, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7461071B2 Distributed management framework for personal attributes Emerging Cross-Sectional Technologies 116 Expired
US7698445B2 Client agents for obtaining attributes from unavailable clients Electricity 98 Active
US4684830A Output circuit for a programmable logic array Electricity 91 Expired
US4800303A TTL compatible output buffer Electricity 80 Expired
US5072195A Phase-locked loop with clamped voltage-controlled oscillator Electricity 72 Expired
US5204555A Logic array having high frequency internal clocking Electricity 56 Expired
US4970406A Resettable latch circuit Electricity 54 Expired
US4910418A Semiconductor fuse programmable array structure Electricity 43 Expired
US4918336A Capacitor coupled push pull logic circuit Electricity 43 Expired
US4853628A Apparatus for measuring circuit parameters of a packaged semiconductor device Physics 37 Expired
USRE35797E Logic array having high frequency internal clocking General 33 Expired
US4897836A Programmable connection path circuit Physics 25 Expired
US4625311A Programmable array logic circuit with testing and verification circuitry Electricity 23 Expired
US4595875A Short detector for PROMS Physics 23 Expired
US4970415A Circuit for generating reference voltages and reference currents Emerging Cross-Sectional Technologies 21 Expired
US8463813B2 Individualized data sharing Electricity 20 Active
US5212458A Current mirror compensation circuit Physics 18 Expired
US4791322A TTL compatible input buffer Electricity 14 Expired
US4810905A Capacitor coupled push pull logic circuit Electricity 14 Expired
US4868416A FET constant reference voltage generator Physics 12 Expired
US4978904A Circuit for generating reference voltage and reference current Physics 11 Expired
US4912745A Logic circuit connecting input and output signal lines Electricity 11 Expired
US4812683A Logic circuit connecting input and output signal leads Electricity 10 Expired
US4701695A Short detector for PROMS Physics 10 Expired
US4638189A Fast and gate with programmable output polarity Electricity 9 Expired

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