Inventor · Round Rock, TX, US

John Liberty

27Patents
8h-index
29Co-inventors
75Inventor score

Filing activity: May 11, 1989 → Feb 19, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6421053B1 Block rendering method for a graphics subsystem Physics 36 Expired
US6760819B2 Symmetric multiprocessor coherence mechanism Physics 29 Expired
US7496692B2 Validating chip configuration data Physics 27 Active
US5432865A Method and apparatus for generating a plurality of parameters of an object in a field of view Physics 24 Expired
US7043579B2 Ring-topology based multiprocessor data access bus Physics 21 Expired
US7533238B2 Method for limiting the size of a local storage of a processor Physics 13 Active
US5121436A Method and apparatus for generating a plurality of parameters of an object in a field of view Physics 12 Expired
US7197655B2 Lowered PU power usage method and apparatus Physics 8 Expired
US7500039B2 Method for communicating with a processor event facility Physics 6 Active
US7869459B2 Communicating instructions and data between a processor and external devices Electricity 5 Active
US7233212B2 Oscillator array with row and column control Electricity 5 Expired
US7778271B2 Method for communicating instructions and data between a processor and external devices Electricity 5 Active
US8838950B2 Security architecture for system on chip Electricity 4 Active
US7986330B2 Method and apparatus for generating gammacorrected antialiased lines Physics 4 Active
US7279996B2 Method of functionality testing for a ring oscillator Electricity 4 Expired
US7890561B2 Random number generator Electricity 3 Active
US8918442B2 Reducing bias in hardware generated random numbers Physics 3 Active
US8230495B2 Method for security in electronically fused encryption keys Electricity 2 Active
US7870308B2 Programmable direct memory access engine Physics 1 Active
US7930457B2 Channel mechanisms for communicating with a processor event facility Physics 1 Active
US7870309B2 Multithreaded programmable direct memory access engine Physics 1 Active
US7730279B2 System for limiting the size of a local storage of a processor Physics 0 Active
US8918553B2 Multithreaded programmable direct memory access engine Physics 0 Active
US11372703B1 Reduced system memory latency via a variable latency interface Physics 0 Active
US8918443B2 Reducing bias in hardware generated random numbers Physics 0 Active

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