Inventor · Wheaton, MD, US

Frank Hoffmann

5Patents
3h-index
8Co-inventors
50Inventor score

Filing activity: Jan 29, 1981 → Oct 31, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US7812966B2 Method of determining the depth profile of a surface structure and system for determining the depth profile of a surface structure Physics 15 Active
US4378572A Camera interface Emerging Cross-Sectional Technologies 14 Expired
US8481400B2 Semiconductor manufacturing and semiconductor device with semiconductor structure Performing Operations; Transporting 8 Active
US9812369B2 BiMOS device with a fully self-aligned emitter-silicon and method for manufacturing the same Electricity 1 Active
US10312159B2 BiMOS device with a fully self-aligned emitter-silicon and method for manufacturing the same Electricity 0 Active

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