Inventor · disambiguated record
Richard A. Keller
Also filed as: KELLER RICHARD · KELLER RICHARD A
23 granted patents·4 pending applications·1,612 citations·filing 1976–2013
97Inventor score
Top patents by PatentIndex Score
27 records- 0198US4771840AArticulated power-driven shopping cartORTHOKINETICS INC·Filed 1987·Granted Sep 20, 1988·169 cites·5 claims
- 0297US4037271ASwitching regulator power supplyBOSCHERT ASSOCIATES·Filed 1976·Granted Jul 19, 1977·98 cites·7 claims
- 0396US5558998ADNA fragment sizing and sorting by laser-induced fluorescenceUNIV CALIFORNIA·Filed 1995·Granted Sep 24, 1996·161 cites·12 claims
- 0495US5285367ALinear load circuit to control switching power supplies under minimum load conditionsPOWER INTEGRATIONS INC·Filed 1992·Granted Feb 8, 1994·141 cites·5 claims
- 0595US4962037AMethod for rapid base sequencing in DNA and RNAUSA·Filed 1987·Granted Oct 9, 1990·225 cites·21 claims
- 0692US6309886B1High throughput analysis of samples in flowing liquidUNIV CALIFORNIA·Filed 1999·Granted Oct 30, 2001·168 cites·13 claims
- 0791US6049380ASingle molecule identification using selected fluorescence characteristicsUNIV CALIFORNIA·Filed 1998·Granted Apr 11, 2000·172 cites·18 claims
- 0888US5405747AMethod for rapid base sequencing in DNA and RNA with two base labelingUNIV CALIFORNIA·Filed 1994·Granted Apr 11, 1995·247 cites·60 claims
- 0981US7202036B2Quenching methods for background reduction in luminescence-based probe-target binding assaysLOS ALAMOS NAT SECURITY LLC·Filed 2003·Granted Apr 10, 2007·10 cites·16 claims
- 1077US5245526ABelow ground current sensing with current input to control thresholdPOWER INTEGRATIONS INC·Filed 1992·Granted Sep 14, 1993·49 cites·8 claims
- 1176US5164891ALow noise voltage regulator and method using a gated single ended oscillatorPOWER INTEGRATIONS INC·Filed 1991·Granted Nov 17, 1992·47 cites·8 claims
- 1274US8403615B1Vehicle lift barrierMCGLINN GERALD P·Filed 2009·Granted Mar 26, 2013·14 cites·18 claims
- 1357US4845368AMethod for the substantial reduction of quenching effects in luminescence spectrometryUS ENERGY·Filed 1987·Granted Jul 4, 1989·14 cites·7 claims
- 1457US4544274AApparatus and method for measurement of weak optical absorptions by thermally induced laser pulsingUS ENERGY·Filed 1982·Granted Oct 1, 1985·16 cites·15 claims
- 1554US4184127AFrequency stabilized laserUSA AS REPRESENTED BY SECY OF·Filed 1978·Granted Jan 15, 1980·15 cites·1 claims
- 1651US6169681B1Power supply topology to reduce the effects of supply pumpingTRIPATH TECHNOLOGY INC·Filed 1999·Granted Jan 2, 2001·21 cites·13 claims
- 1750US4447153AApparatus and method for quantitative measurement of small differences in optical absorptivity between two samples using differential interferometry and the thermooptic effectUS ENERGY·Filed 1982·Granted May 8, 1984·13 cites·29 claims
- 1847US5799682AReduction of diffusional defocusing in hydrodynamically focused flowsUNIV CALIFORNIA·Filed 1996·Granted Sep 1, 1998·13 cites·9 claims
- 1946US2009128812A1Method of reducing peak broadening in analytical measurementsKELLER RICHARD A·Filed 2008·Application pending·0 cites
- 2046US2006008799A1Rapid haplotyping by single molecule detectionCAI HONG·Filed 2001·Application pending·0 cites
- 2137US4148586AApparatus for galvanic detection of optical absorptionsUS COMMERCE·Filed 1977·Granted Apr 10, 1979·5 cites·4 claims
- 2237US2014265594A1Mother/Daughterboard Power SupplyVAN RUYMBEKE GILLES·Filed 2013·Application pending·0 cites
- 2337US2014266073A1Energy storage circuitSILVER SPRING NETWORKS·Filed 2013·Application pending·0 cites
- 2434US4402606AOptogalvanic intracavity quantitative detector and method for its useZALEWSKI EDWARD F·Filed 1981·Granted Sep 6, 1983·8 cites·8 claims
- 2531US5827663AMethod and apparatus for reducing solvent luminescence background emissionsUNIV CALIFORNIA·Filed 1996·Granted Oct 27, 1998·3 cites·14 claims
- 2627US4025406APhotochemical method for chlorine isotopic enrichmentUS COMMERCE·Filed 1976·Granted May 24, 1977·3 cites·10 claims
- 2726US5834204AApparatus for reducing solvent luminescence background emissionsUNIV CALIFORNIA·Filed 1997·Granted Nov 10, 1998·0 cites·5 claims
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