Inventor · Redmond, WA, US

John C. Platt

119Patents
38h-index
149Co-inventors
93Inventor score

Filing activity: Dec 18, 1990 → Nov 23, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6161130A "Technique which utilizes a probabilistic classifier to detect ""junk"" e-mail by automatically updating a training and re-training the classifier based on the updated training set" Emerging Cross-Sectional Technologies 896 Expired
US5861583A Object position detector Physics 405 Expired
US5812698A Handwriting recognition system and method Physics 372 Expired
US5854625A Force sensing touchpad Physics 366 Expired
US6192360A Methods and apparatus for classifying text and for building a text classifier Emerging Cross-Sectional Technologies 364 Expired
US6987221B2 Auto playlist generation with multiple seed songs Emerging Cross-Sectional Technologies 327 Expired
US6993532B1 Auto playlist generator Emerging Cross-Sectional Technologies 240 Expired
US6380929B1 Pen drawing computer input device Physics 185 Expired
US5926566A Incremental ideographic character input method Physics 185 Expired
US6327581A Methods and apparatus for building a support vector machine classifier Physics 173 Expired
US6393145B2 Methods apparatus and data structures for enhancing the resolution of images to be rendered on patterned display devices Physics 151 Expired
US6028959A Incremental ideographic character input method Physics 148 Expired
US6148104A Incremental ideographic character input method Physics 142 Expired
US5331215A Electrically adaptable neural network with post-processing circuitry Electricity 127 Expired
US5303329A Continuous synaptic weight update mechanism Physics 121 Expired
US5381515A Two layer neural network comprised of neurons with improved input range and input offset Electricity 119 Expired
US6624828B1 Method and apparatus for improving the quality of displayed images through the use of user reference information Physics 117 Expired
US5165054A Circuits for linear conversion between currents and voltages Electricity 116 Expired
US5126685A Circuits for linear conversion between voltages and currents Electricity 114 Expired
US5107149A Linear, continuous-time, two quadrant multiplier Electricity 111 Expired
US5204549A Synaptic element including weight-storage and weight-adjustment circuit Physics 109 Expired
US6738526B1 Method and apparatus for filtering and caching data representing images Physics 102 Expired
US6360023B1 Adjusting character dimensions to compensate for low contrast character features Physics 90 Expired
US7024424B1 Auto playlist generator Emerging Cross-Sectional Technologies 87 Expired
US6895112B2 Red-eye detection based on red region detection with eye confirmation Physics 83 Expired

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