Inventor · Littleton, CO, US

Darrell Hougen

10Patents
4h-index
4Co-inventors
53Inventor score

Filing activity: Dec 11, 1998 → Jun 8, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7486802B2 Adaptive template object classification system with a template generator Physics 83 Active
US6078849A Vision based precision docking of vehicles Physics 34 Expired
US7702425B2 Object classification system for a vehicle Physics 9 Active
US10198821B2 Automated tattoo recognition techniques Physics 8 Active
US10062172B2 Automated tattoo recognition techniques Physics 4 Active
US10679092B2 Fast curve matching for tattoo recognition and identification Physics 2 Active
US10679094B2 Automatic ruler detection Physics 1 Active
US10192137B2 Automatic ruler detection Physics 1 Active
US11657644B2 Automatic ruler detection Physics 1 Active
US10319096B2 Automated tattoo recognition techniques Physics 0 Active

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