Inventor · disambiguated record
Edward Chalfin
Also filed as: CHALFIN EDWARD
4 granted patents·96 citations·filing 1982–1985
79Inventor score
Files withSPRAGUE ELECTRIC CO4
Top patents by PatentIndex Score
4 records- 0191US4454416APhoto-electric circuit employing current mirrorsSPRAGUE ELECTRIC CO·Filed 1982·Granted Jun 12, 1984·44 cites·3 claims
- 0285US4485301ALinear two-terminal integrated circuit photo sensorSPRAGUE ELECTRIC CO·Filed 1982·Granted Nov 27, 1984·29 cites·10 claims
- 0369US4467191APhoto diode with auxiliary photo diode regulatorSPRAGUE ELECTRIC CO·Filed 1982·Granted Aug 21, 1984·14 cites·6 claims
- 0447US4691262ACircuit for protecting a power transistor against a short-circuited loadSPRAGUE ELECTRIC CO·Filed 1985·Granted Sep 1, 1987·9 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →