Inventor · Seattle, WA, US

Robert Michael Birch

7Patents
5h-index
5Co-inventors
56Inventor score

Filing activity: Jul 25, 1984 → Nov 7, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US8076949B1 Enhanced proximity sensing Electricity 22 Active
US4830536A Method and apparatus for tunnel lining Fixed Constructions 21 Expired
US8525798B2 Touch sensing Electricity 12 Active
US8564546B1 Multiple touch resolve Physics 12 Active
US8248081B2 Calibration of single-layer touch-sensor device Physics 11 Active
US9760192B2 Touch sensing Electricity 2 Active
US9292122B1 Calibration of a touch-sensor device Physics 1 Active

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