Inventor · disambiguated record
Richard A. Kaufman
Also filed as: KAUFMAN RICHARD · KAUFMAN RICHARD A
12 granted patents·1 pending application·216 citations·filing 1981–2011
92Inventor score
Top patents by PatentIndex Score
13 records- 0182US5801006AUse of NADPH and NADH analogs in the measurement of enzyme activities and metabolitesSPECIALTY ASSAYS INC·Filed 1997·Granted Sep 1, 1998·75 cites·44 claims
- 0274US5482866AMethod for quantitation of calcium and magnesium and the novel reagent compositionsHOFFMANN LA ROCHE·Filed 1994·Granted Jan 9, 1996·48 cites·13 claims
- 0357US4451563AMethod for increasing the sensitivity of assaysKAUFMAN RICHARD A·Filed 1981·Granted May 29, 1984·17 cites·10 claims
- 0456US5141854AEnzymatic composition for ethanol assayHOFFMANN LA ROCHE·Filed 1990·Granted Aug 25, 1992·15 cites·12 claims
- 0554US6380380B1Use of nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucliotide phosphate (NADP) analogs to measure enzyme activities metabolites and substratesSPECIALTY ASSAYS INC·Filed 1999·Granted Apr 30, 2002·15 cites·13 claims
- 0652US4599316APhotometric method for the determination of inorganic phosphate in liquid samplesHOFFMANN LA ROCHE·Filed 1983·Granted Jul 8, 1986·18 cites·4 claims
- 0743US7288414B2Use of phosphonazo III for the measurement of calcium, magnesium and sodium in analytical samplesSPECIALTY ASSAYS INC·Filed 2005·Granted Oct 30, 2007·0 cites·22 claims
- 0839US2013071871A1Enzymatic determination of lithium ions using phosphoglucomutaseKAUFMAN RICHARD A·Filed 2011·Application pending·0 cites
- 0938US5589348AIn situ nicotinamide coenzyme generating system for enzyme based clinical chemistry assaysHOFFMANN LA ROCHE·Filed 1994·Granted Dec 31, 1996·10 cites·27 claims
- 1037US5525481AEnzymatic Reagents for ethanol assay containing diamino compoundsHOFFMANN LA ROCHE·Filed 1992·Granted Jun 11, 1996·5 cites·7 claims
- 1129US4698315AMethod and kit for determining total digoxin levels involving agent to dissociate digoxin-protein complexHOFFMANN LA ROCHE·Filed 1985·Granted Oct 6, 1987·4 cites·11 claims
- 1228US4800168ATwo reagent system for the colorimetric determination of chloride ions in body fluidsHOFFMANN LA ROCHE·Filed 1985·Granted Jan 24, 1989·6 cites·16 claims
- 1326US4826773AMethod and reagent for the quantitative determination of phosphorous in serum and urineHOFFMANN LA ROCHE·Filed 1988·Granted May 2, 1989·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →