Inventor · Austin, TX, US

Mark Johnson

42Patents
14h-index
56Co-inventors
84Inventor score

Filing activity: Sep 13, 1991 → May 4, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7313593B1 Method and apparatus for providing full duplex and multipoint IP audio streaming Physics 333 Expired
US6064942A Enhanced precision forward observation system and method Physics 141 Expired
US8635328B2 Determining time varying thresholds for monitored metrics Electricity 44 Active
US5940027A High accuracy low power GPS time source Electricity 43 Expired
US8452475B1 Systems and methods for dynamic aircraft maintenance scheduling Physics 31 Active
US5401406A Filter assembly having a filter element and a sealing device Performing Operations; Transporting 27 Expired
US9298756B1 Read/write RFID system for animals Physics 27 Active
US7921904B2 Heat exchanger and method Mechanical Engineering; Lighting; Heating 22 Active
US6636166B2 Parallel communication based on balanced data-bit encoding Electricity 21 Expired
US6154803A Method and arrangement for passing data between a reference chip and an external bus Physics 19 Expired
US6321321A Set-associative cache-management method with parallel and single-set sequential reads Emerging Cross-Sectional Technologies 18 Expired
US5271838A Filter assembly with filter elements separated by spacers Performing Operations; Transporting 16 Expired
US6140958A Remote position sensing system for use with an unmanned apparatus Physics 15 Expired
US6069584A Competent munitions using range correction with auto-registration Physics 15 Expired
US7441008B2 Method for correlating transactions and messages Physics 14 Expired
USD717932S1 Heat exchanger General 14 Active
US8776873B2 Heat exchanger Mechanical Engineering; Lighting; Heating 13 Active
US7395292B2 Method for displaying spectral trends in complex signals Human Necessities 13 Active
US6577951B1 Split PPS/SPS architecture for military aircraft flying in civilian airspace Physics 13 Expired
US6467010B1 Method and arrangement for passing data between a reference chip and an external bus Physics 10 Expired
US6629206B1 Set-associative cache-management using parallel reads and serial reads initiated during a wait state Emerging Cross-Sectional Technologies 7 Expired
US6411218B1 Priority-encoding device selection using variable arbitrary rankings Physics 6 Expired
US8630758B2 Method and apparatus for safety protocol verification, control and management Performing Operations; Transporting 6 Active
US7601032B2 Apparatus for altering poles on an accessory Electricity 6 Active
US7586869B2 Method and apparatus for tracking costs associated with propagating a data packet Electricity 5 Expired

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