Inventor · Chantilly, VA, US

Joshua Alspector

29Patents
13h-index
12Co-inventors
78Inventor score

Filing activity: May 26, 1982 → Aug 5, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US7089241B1 Classifier tuning based on data similarities Emerging Cross-Sectional Technologies 120 Expired
US4874963A Neuromorphic learning networks Physics 108 Expired
US7783085B2 Using relevance feedback in face recognition Physics 79 Active
US7907755B1 Detecting facial similarity based on human perception of facial similarity Physics 51 Active
US7567958B1 Filtering system for providing personalized information in the absence of negative data Emerging Cross-Sectional Technologies 51 Expired
US7725475B1 Simplifying lexicon creation in hybrid duplicate detection and inductive classifier systems Electricity 49 Active
US7624274B1 Decreasing the fragility of duplicate document detecting algorithms Electricity 46 Active
US4441249A Semiconductor integrated circuit capacitor Electricity 39 Expired
US7725544B2 Group based spam classification Electricity 37 Active
US7392262B1 Reliability of duplicate document detection algorithms Emerging Cross-Sectional Technologies 36 Expired
US8214437B1 Online adaptive filtering of messages Electricity 25 Active
US8233679B2 Detecting facial similarity based on human perception of facial similarity Physics 24 Active
US7984029B2 Reliability of duplicate document detection algorithms Emerging Cross-Sectional Technologies 17 Active
US9171070B2 Method for classifying unknown electronic documents based upon at least one classificaton Electricity 9 Active
US8713014B1 Simplifying lexicon creation in hybrid duplicate detection and inductive classifier systems Electricity 9 Active
US5412256A Neuron for use in self-learning neural network Physics 9 Expired
US8799387B2 Online adaptive filtering of messages Electricity 8 Active
US8060507B2 Filtering system for providing personalized information in the absence of negative data Emerging Cross-Sectional Technologies 7 Active
US7890505B1 Filtering system for providing personalized information in the absence of negative data Emerging Cross-Sectional Technologies 7 Active
US8429178B2 Reliability of duplicate document detection algorithms Emerging Cross-Sectional Technologies 6 Active
US8194939B2 Using relevance feedback in face recognition Physics 6 Active
US5504780A Adaptive equalizer using self-learning neural network Electricity 5 Expired
US8626758B2 Filtering system for providing personalized information in the absence of negative data Emerging Cross-Sectional Technologies 5 Active
US8542888B2 Detecting facial similarity based on human perception of facial similarity Physics 2 Active
US9270625B2 Online adaptive filtering of messages Electricity 1 Active

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