Inventor · Columbia, MD, US

James M. Jensen

40Patents
30h-index
30Co-inventors
85Inventor score

Filing activity: Nov 3, 1992 → Apr 15, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5450490A Apparatus and methods for including codes in audio signals and decoding Electricity 714 Expired
US5579124A Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto Electricity 676 Expired
US5764763A Apparatus and methods for including codes in audio signals and decoding Electricity 450 Expired
US5483276A Compliance incentives for audience monitoring/recording devices Electricity 371 Expired
US7463143B2 Methods and systems for gathering market research data within commercial establishments Physics 226 Expired
US7443292B2 Gathering data concerning publication usage Performing Operations; Transporting 219 Expired
US6871180B1 Decoding of information in audio signals Electricity 211 Expired
US6421445B1 Apparatus and methods for including codes in audio signals Electricity 200 Expired
US7272982B2 Gathering data concerning publication usage Performing Operations; Transporting 182 Expired
US7420464B2 Methods and systems for gathering market research data inside and outside commercial establishments Physics 175 Expired
US7471987B2 Determining location of an audience member having a portable media monitor Electricity 160 Expired
US6958710B2 Universal display media exposure measurement Physics 144 Expired
US6845360B2 Encoding multiple messages in audio data and detecting same Physics 144 Expired
US8098152B2 Universal display exposure monitor using personal locator service Physics 127 Active
US7592908B2 Universal display exposure monitor using personal locator service Physics 120 Expired
US7640141B2 Systems and methods for gathering audience measurement data Electricity 93 Active
US7408460B2 Gathering data concerning publication usage Performing Operations; Transporting 93 Expired
US7316025B1 Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto Electricity 90 Expired
US7650793B2 Gathering data concerning publication usage Performing Operations; Transporting 87 Active
US7483975B2 Systems and methods for gathering data concerning usage of media data Electricity 83 Active
US7962315B2 Gathering data concerning publication usage Performing Operations; Transporting 76 Active
US7239981B2 Systems and methods for gathering audience measurement data Electricity 74 Expired
US8229469B2 Methods and systems for mapping locations of wireless transmitters for use in gathering market research data Physics 71 Expired
US7463144B2 Gathering data concerning publication usage Performing Operations; Transporting 68 Expired
US5495282A Monitoring system for TV, cable and VCR Electricity 63 Expired

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