Inventor · disambiguated record
Donald E. Groff
Also filed as: GROFF DONALD · GROFF DONALD E
7 granted patents·287 citations·filing 1995–2003
86Inventor score
Top patents by PatentIndex Score
7 records- 0192US7037170B2Toy accessoryGRACO CHILDRENS PROD INC·Filed 2003·Granted May 2, 2006·53 cites·20 claims
- 0289US5737032ASerial digital video processing with concurrent adjustment in RGB and luminance/color differenceVIDEOTEK INC·Filed 1995·Granted Apr 7, 1998·189 cites·15 claims
- 0354US6433830B1Off-air phase lock techniqueGEN INSTRUMENT CORP·Filed 1999·Granted Aug 13, 2002·22 cites·18 claims
- 0446US6525436B1Method and apparatus for suppressing electromagnetic emissions from a bus interface with electronic equipmentGEN INSTRUMENT CORP·Filed 2000·Granted Feb 25, 2003·2 cites·18 claims
- 0545US6473593B1Multiple channel upconverter having adjacent channel output and method of implementing the sameGEN INSTRUMENT CORP·Filed 1999·Granted Oct 29, 2002·12 cites·21 claims
- 0641US6567132B1Upconverter for a television signal headend distribution center handling analog and digital signals and method of making and using the sameGEN INSTRUMENT CORP·Filed 1999·Granted May 20, 2003·9 cites·28 claims
- 0727US6515380B1Method and apparatus for suppressing electromagnetic emissions from a bus interface with electronic equipmentGEN INSTRUMENT CORP·Filed 1999·Granted Feb 4, 2003·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →