Inventor · disambiguated record
Robert A. Hoffman
Also filed as: HOFFMAN ROBERT · HOFFMAN ROBERT A · HOFFMAN ROBERT ALAN
27 granted patents·2 pending applications·2,282 citations·filing 1975–2016
98Inventor score
Files withBECTON DICKINSON CO9HOFFMAN ROBERT5ORTHO DIAGNOSTIC SYSTEMS INC5ORTHO DIAGNOSTICS2DEERE & CO1
Top patents by PatentIndex Score
29 records- 0199US4284412AMethod and apparatus for automated identification and enumeration of specified blood cell subclassesORTHO DIAGNOSTICS·Filed 1979·Granted Aug 18, 1981·286 cites·14 claims
- 0298US6813017B1Apparatus and method employing incoherent light emitting semiconductor devices as particle detection light sources in a flow cytometerBECTON DICKINSON CO·Filed 2000·Granted Nov 2, 2004·244 cites·2 claims
- 0396US5504337AMethod and apparatus for performing phase fluorescence lifetime measurements in flow cytometryLAKOWICZ JOSEPH R·Filed 1991·Granted Apr 2, 1996·214 cites·18 claims
- 0495US6067480AMethod and apparatus for in-situ formation of three-dimensional solid objects by extrusion of polymeric materialsSTRATASYS INC·Filed 1997·Granted May 23, 2000·251 cites·5 claims
- 0595US5880474AMulti-illumination-source flow particle analyzer with inter-location emissions crosstalk cancelationBECTON DICKINSON CO·Filed 1997·Granted Mar 9, 1999·188 cites·13 claims
- 0694US5528045AParticle analyzer with spatially split wavelength filterBECTON DICKINSON CO·Filed 1995·Granted Jun 18, 1996·243 cites·4 claims
- 0794US4492752AMethod for discriminating between unstained and absorbing dye stained cellsORTHO DIAGNOSTIC SYSTEMS INC·Filed 1982·Granted Jan 8, 1985·83 cites·3 claims
- 0893US8865470B2Instrument setup system for a fluorescence analyzerBECTON DICKINSON CO·Filed 2013·Granted Oct 21, 2014·20 cites·11 claims
- 0993US5317162AApparatus and method for phase resolved fluorescence lifetimes of independent and varying amplitude pulsesBECTON DICKINSON CO·Filed 1992·Granted May 31, 1994·155 cites·21 claims
- 1091US4284355AAutomated method for cell volume determinationORTHO DIAGNOSTICS·Filed 1979·Granted Aug 18, 1981·53 cites·6 claims
- 1190US7301469B1Remotely activated trail marker system and its method of useHOFFMAN ROBERT A·Filed 2005·Granted Nov 27, 2007·65 cites·15 claims
- 1288US8415161B2Instrument setup system for a fluorescence analyzerYAN MING·Filed 2009·Granted Apr 9, 2013·22 cites·22 claims
- 1386US4596464AScreening method for red cell abnormalityORTHO DIAGNOSTIC SYSTEMS INC·Filed 1983·Granted Jun 24, 1986·54 cites·3 claims
- 1483US4200353AModulation contrast microscope with three regionsHOFFMAN ROBERT·Filed 1978·Granted Apr 29, 1980·48 cites·20 claims
- 1578US4062619AVariable background intensity apparatus for imaging systemsHOFFMAN ROBERT·Filed 1975·Granted Dec 13, 1977·37 cites·18 claims
- 1675US4665553AMethods and apparatus for analysis of particles and cellsORTHO DIAGNOSTIC SYSTEMS INC·Filed 1984·Granted May 12, 1987·29 cites·13 claims
- 1774US4475236AMethod for counting overlapping cell populations in a distribution histogramORTHO DIAGNOSTIC SYSTEMS INC·Filed 1981·Granted Oct 2, 1984·28 cites·3 claims
- 1871US5076472ACleaning cycle for flow cytometersBECTON DICKINSON CO·Filed 1990·Granted Dec 31, 1991·40 cites·7 claims
- 1970US6329158B1Use of dimly fluorescing nucleic acid dyes in the identification of nucleated cellsBECTON DICKINSON CO·Filed 1995·Granted Dec 11, 2001·35 cites·13 claims
- 2065US4581334ASimultaneous detection of leukocyte phagocytic and killing abilityORTHO DIAGNOSTIC SYSTEMS INC·Filed 1983·Granted Apr 8, 1986·23 cites·13 claims
- 2165US4303340AOptical micrometer measuring systemHOFFMAN ROBERT·Filed 1979·Granted Dec 1, 1981·18 cites·14 claims
- 2264US4200354AMicroscopy systems with rectangular illumination particularly adapted for viewing transparent objectsHOFFMAN ROBERT·Filed 1978·Granted Apr 29, 1980·21 cites·9 claims
- 2363US5087295ACleaning cycle for flow cytometersBECTON DICKINSON CO·Filed 1990·Granted Feb 11, 1992·52 cites·13 claims
- 2461US5776709AMethod for preparation and analysis of leukocytes in whole bloodBECTON DICKINSON CO·Filed 1994·Granted Jul 7, 1998·53 cites·2 claims
- 2560US4688819AHitchDEERE & CO·Filed 1986·Granted Aug 25, 1987·16 cites·5 claims
- 2648US10571400B2Plasmonic nanoparticle immunoassay methodMASSACHUSETTS GEN HOSPITAL·Filed 2016·Granted Feb 25, 2020·0 cites·34 claims
- 2736US4224567AApparatus for measuring resistance change only in a cell analyzer and method for calibrating itUS ENERGY·Filed 1978·Granted Sep 23, 1980·4 cites·9 claims
- 2831US2013177379A1Automated layer picking and storage systemKUKA SYSTEMS CORP NORTH AMERICA·Filed 2013·Application pending·0 cites
- 2928US2012163946A1Flexible material handling, storage and retrieval apparatus and methodsHOFFMAN ROBERT·Filed 2011·Application pending·0 cites
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