Inventor · disambiguated record
Daniel Royer
Also filed as: GUEDJ RICHARD · ROYER DANIEL · ROYER DANIEL R
8 granted patents·166 citations·filing 1978–2007
88Inventor score
Top patents by PatentIndex Score
8 records- 0181US4954997ASensor device using lamb elastic waves for detecting the presence of a liquid at a predetermined levelMATERIEL & AUXILIARE·Filed 1989·Granted Sep 4, 1990·49 cites·9 claims
- 0270US4765186ALiquid level detector by guided elastic wavesUNIV PARIS CURIE·Filed 1987·Granted Aug 23, 1988·28 cites·12 claims
- 0366US5099454ALiquid presence detector having a composite waveguide for acoustic wavesMATERIEL & AUXILIAIRE·Filed 1990·Granted Mar 24, 1992·29 cites·11 claims
- 0465US4393268AMarking system using elastic surface wavesTHOMSON CSF·Filed 1981·Granted Jul 12, 1983·32 cites·9 claims
- 0560US4209725ASelenium layer piezoelectric deviceTHOMSON CSF·Filed 1978·Granted Jun 24, 1980·10 cites·13 claims
- 0648US4272676AOptical-pickup coordinatometerTHOMSON CSF·Filed 1979·Granted Jun 9, 1981·13 cites·12 claims
- 0736US4706046AResonator made of nonpiezoelectric material with high quality coefficientFRANCE ETAT·Filed 1986·Granted Nov 10, 1987·5 cites·14 claims
- 0835US7663377B2System and method for high resolution sensing of capacitance or other reactive impedance change in a large dynamic rangePEPPERL & FUCHS INC·Filed 2007·Granted Feb 16, 2010·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →