Inventor · disambiguated record
Richard E. De Freitas
Also filed as: DE FREITAS RICHARD E
3 granted patents·46 citations·filing 1976–1982
69Inventor score
Top patents by PatentIndex Score
3 records- 0175US4027101ASimulation of reverberation in audio signalsHYBRID SYSTEMS CORP·Filed 1976·Granted May 31, 1977·29 cites·2 claims
- 0265US4101881AMultiple state responsive delta-sigma converter and delay lineHYBRID SYSTEMS CORP·Filed 1976·Granted Jul 18, 1978·15 cites·8 claims
- 0324US4462106ADigital encoding circuitryDELTALAB RES·Filed 1982·Granted Jul 24, 1984·2 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →