Inventor · Saint Paul, MN, US

David Sandquist

7Patents
3h-index
6Co-inventors
50Inventor score

Filing activity: Oct 29, 1999 → Mar 20, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6445171B2 Closed-loop magnetoresistive current sensor system having active offset nulling Physics 76 Expired
US6566856B2 Closed-loop magnetoresistive current sensor system having active offset nulling Physics 75 Expired
US7145321B2 Current sensor with magnetic toroid Physics 3 Expired
US11894658B2 Power monitoring approach for VCSELS and VCSEL arrays Electricity 0 Active
US12021349B2 Eye safe optical modules Electricity 0 Active
US11848538B2 Power monitoring approach for VCSELS and VCSEL arrays General 0 Revoked
US10445405B2 Method of performing variance calculations in real-time for in-situ instant variance measurements for low power applications Physics 0 Active

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