Inventor · Apple Valley, MN, US

Bryan J. Root

44Patents
8h-index
8Co-inventors
68Inventor score

Filing activity: Feb 10, 1998 → Apr 13, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6586954B2 Probe tile for probing semiconductor wafer Physics 31 Expired
US6201402A Probe tile and platform for large area wafer probing Physics 30 Expired
US6963207B2 Apparatus and method for terminating probe apparatus of semiconductor wafer Physics 25 Expired
US6975128B1 Electrical, high temperature test probe with conductive driven guard Physics 17 Expired
USD639757S1 Top contact layout board in an electrical system General 15 Expired
US6882168B2 Probe tile for probing semiconductor wafer Physics 11 Expired
US6992495B2 Shielded probe apparatus for probing semiconductor wafer Physics 11 Expired
USD639755S1 Top contact layout board in an electrical system General 8 Expired
US7728609B2 Replaceable probe apparatus for probing semiconductor wafer Physics 5 Active
USD654033S1 Grooved wire support for a probe test core General 5 Expired
US7626404B2 Replaceable probe apparatus for probing semiconductor wafer Physics 5 Expired
US7170305B2 Apparatus and method for terminating probe apparatus of semiconductor wafer Physics 5 Expired
US7148710B2 Probe tile for probing semiconductor wafer Physics 4 Expired
US7768282B2 Apparatus and method for terminating probe apparatus of semiconductor wafer Physics 4 Active
US7345494B2 Probe tile for probing semiconductor wafer Physics 4 Active
US8149009B2 Apparatus and method for terminating probe apparatus of semiconductor wafer Physics 3 Active
USD713363S1 Support for a probe test core General 3 Active
US8994390B2 Test systems with a probe apparatus and index mechanism Physics 2 Active
US8860450B2 Apparatus and method for terminating probe apparatus of semiconductor wafer Physics 2 Active
US8674715B2 Test apparatus having a probe core with a twist lock mechanism Emerging Cross-Sectional Technologies 2 Active
US9018966B2 Test apparatus having a probe card and connector mechanism Physics 2 Active
US7259577B2 Shielded probe apparatus for probing semiconductor wafer Physics 2 Expired
US7786743B2 Probe tile for probing semiconductor wafer Physics 2 Active
US11275106B2 High voltage probe card system Physics 1 Active
US8082842B2 Perfluorinated polyether release agent for phase change ink members Performing Operations; Transporting 1 Active

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