Inventor · Hatfield, PA, US

Donald E. Groff

7Patents
4h-index
5Co-inventors
42Inventor score

Filing activity: Sep 5, 1995 → Jul 1, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5737032A Serial digital video processing with concurrent adjustment in RGB and luminance/color difference Electricity 122 Expired
US7037170B2 Toy accessory Human Necessities 33 Expired
US6433830B1 Off-air phase lock technique Electricity 10 Expired
US6473593B1 Multiple channel upconverter having adjacent channel output and method of implementing the same Electricity 5 Expired
US6567132B1 Upconverter for a television signal headend distribution center handling analog and digital signals and method of making and using the same Electricity 4 Expired
US6525436B1 Method and apparatus for suppressing electromagnetic emissions from a bus interface with electronic equipment Electricity 1 Expired
US6515380B1 Method and apparatus for suppressing electromagnetic emissions from a bus interface with electronic equipment Electricity 0 Expired

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