Inventor · Portland, OR, US

David A. Head

7Patents
6h-index
7Co-inventors
56Inventor score

Filing activity: Feb 1, 1991 → Feb 1, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5914938A MAC address table search unit Electricity 101 Expired
US6889113B2 Graphical automated machine control and metrology Emerging Cross-Sectional Technologies 52 Expired
US7308334B2 Graphical automated machine control and metrology Emerging Cross-Sectional Technologies 17 Expired
US5220236A Geometry enhanced optical output for RF excited fluorescent lights Electricity 9 Expired
US7664566B2 Graphical automated machine control and metrology Emerging Cross-Sectional Technologies 8 Active
US8095231B2 Graphical automated machine control and metrology Emerging Cross-Sectional Technologies 8 Active
US5384515A Shrouded pin electrode structure for RF excited gas discharge light sources Electricity 6 Expired

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