Inventor · disambiguated record
Howard C. Epstein
Also filed as: EPSTEIN HOWARD · EPSTEIN HOWARD C
8 granted patents·1 pending application·408 citations·filing 1978–2008
90Inventor score
Top patents by PatentIndex Score
9 records- 0196US4904861AOptical encoder using sufficient inactive photodetectors to make leakage current equal throughoutHEWLETT PACKARD CO·Filed 1988·Granted Feb 27, 1990·162 cites·21 claims
- 0293US4998013AOptical encoder with inactive photodetectorsHEWLETT PACKARD CO·Filed 1989·Granted Mar 5, 1991·91 cites·6 claims
- 0392US4266125AOptical shaft angle encoderHEWLETT PACKARD CO·Filed 1978·Granted May 5, 1981·46 cites·8 claims
- 0492US4263506APulse generating apparatusHEWLETT PACKARD CO·Filed 1978·Granted Apr 21, 1981·50 cites·6 claims
- 0572US4920259AApparatus for producing a phase insensitive index pulse for motion encodersHEWLETT PACKARD CO·Filed 1988·Granted Apr 24, 1990·25 cites·19 claims
- 0671US7980463B2Cashiers check verification systemEPSTEIN HOWARD C·Filed 2008·Granted Jul 19, 2011·5 cites·8 claims
- 0770US7201495B2Semiconductor light emitting device package with cover with flexible portionPHILIPS LUMILEDS LIGHTING CO·Filed 2004·Granted Apr 10, 2007·20 cites·18 claims
- 0844US5013910AShaft angle encoder with a symmetrical code wheelHEWLETT PACKARD CO·Filed 1989·Granted May 7, 1991·9 cites·24 claims
- 0934US2003230977A1Semiconductor light emitting device with fluoropolymer lensFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →