Patent assignee · US · COMPANY

ETHERWHERE CORPORATION

8Patents
8Active
8Granted
41Portfolio score

Filing activity: Sep 7, 2010 → May 12, 2020 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7994981B1 System framework for mobile device location Physics 136 Active
US10126429B2 Method and apparatus for determining device location Physics 1 Active
US10254408B2 TDOA-based positioning system using terrestrial wireless signal sources Physics 1 Active
US12050274B2 TDOA-based positioning system using terrestrial wireless signal sources Physics 1 Active
US9977131B2 Fast fix using perfect reference in a satellite-based positioning system Physics 0 Active
US10838072B2 Fast fix using a perfect reference in a satellite-based positioning system Physics 0 Active
US10649092B2 TDOA-based positioning system using terrestrial wireless signal sources Physics 0 Active
US10948565B2 System framework for mobile device location Physics 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.