Inventor · Temple City, CA, US

Dana Wilhelm

16Patents
10h-index
10Co-inventors
65Inventor score

Filing activity: Feb 27, 1995 → Oct 14, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US6259614A Power factor correction control circuit Emerging Cross-Sectional Technologies 128 Expired
US6211623A Fully integrated ballast IC Electricity 70 Expired
US6617805B2 Ballast control IC with power factor correction Emerging Cross-Sectional Technologies 36 Expired
USRE40016E1 Power factor correction control circuit General 18 Expired
US5543994A MOSFET driver with fault reporting outputs Electricity 16 Expired
US6891339B2 Adaptive CFL control circuit Electricity 15 Expired
US7215189B2 Bootstrap diode emulator with dynamic back-gate biasing Electricity 13 Expired
US7436160B2 Half bridge adaptive dead time circuit and method Electricity 13 Expired
US7525256B2 HID buck and full-bridge ballast control IC Emerging Cross-Sectional Technologies 12 Expired
US7049767B2 High voltage offset detection circuit and method Emerging Cross-Sectional Technologies 11 Expired
US7436127B2 Ballast control circuit Electricity 6 Active
US8174855B2 Power factor correction integrated circuit with critical conduction mode Emerging Cross-Sectional Technologies 6 Active
US6867554B2 Ballast control card Electricity 3 Expired
US7548029B2 Bi-directional current sensing by monitoring VS voltage in a half or full bridge circuit Electricity 3 Active
US9326333B2 Flyback driver for use in a flyback power converter and related method Emerging Cross-Sectional Technologies 1 Active
US8093834B2 Automotive HID headlamp ballast control IC Emerging Cross-Sectional Technologies 1 Active

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