Inventor · Berkeley, CA, US

Ratnakar Dev

11Patents
4h-index
9Co-inventors
53Inventor score

Filing activity: Mar 30, 2000 → Oct 16, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7047180B1 Method and apparatus for providing access to drawing information Emerging Cross-Sectional Technologies 151 Expired
US9788777B1 Methods and apparatus to identify a mood of media Human Necessities 69 Active
US10970291B2 Detecting topical similarities in knowledge databases Physics 4 Active
US7689387B2 Method and apparatus for providing access to drawing information Emerging Cross-Sectional Technologies 4 Active
US10223497B2 Infant learning receptivity detection system Physics 3 Active
US11357431B2 Methods and apparatus to identify a mood of media Human Necessities 1 Active
US10915707B2 Word replaceability through word vectors Physics 1 Active
US10806388B2 Methods and apparatus to identify a mood of media Human Necessities 1 Active
US10136619B2 Intelligent pet monitoring system Human Necessities 1 Active
US10853578B2 Extracting unconscious meaning from media corpora Physics 1 Active
US10839705B2 Intelligent infant monitoring system and infant monitoring hub and infant learning receptivity detection system Physics 0 Active

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