Inventor
Robert A. Hoffman
Inventor
Livermore, CA, US
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
G02BOptical elements, systems or apparatus6%
A61KPreparations for medical, dental or toiletry purposes4%
A61LMethods or apparatus for sterilising materials or objects in general4%
B01LChemical or physical laboratory apparatus for general use4%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms4%
A01BSoil working in agriculture or forestry2%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%
PatentTitleYear
11,014,911CDK2 inhibitors202110,571,400Plasmonic nanoparticle immunoassay method20208,865,470'Instrument setup system for a fluorescence analyzer'20148,415,161'Instrument setup system for a fluorescence analyzer'20137,301,469'Remotely activated trail marker system and its method of use'20076,813,017'Apparatus and method employing incoherent light emitting semiconductor devices as particle detection light sources in a flow cytometer'20046,329,158'Use of dimly fluorescing nucleic acid dyes in the identification of nucleated cells'20016,067,480'Method and apparatus for in-situ formation of three-dimensional solid objects by extrusion of polymeric materials'20005,880,474'Multi-illumination-source flow particle analyzer with inter-location emissions crosstalk cancelation'19995,528,045'Particle analyzer with spatially split wavelength filter'19965,504,337'Method and apparatus for performing phase fluorescence lifetime measurements in flow cytometry'19965,317,162'Apparatus and method for phase resolved fluorescence lifetimes of independent and varying amplitude pulses'19945,087,295'Cleaning cycle for flow cytometers'19925,076,472'Cleaning cycle for flow cytometers'19914,688,819'Hitch'19874,665,553'Methods and apparatus for analysis of particles and cells'19874,596,464'Screening method for red cell abnormality'19864,581,334'Simultaneous detection of leukocyte phagocytic and killing ability'19864,492,752'Method for discriminating between unstained and absorbing dye stained cells'19854,475,236'Method for counting overlapping cell populations in a distribution histogram'19844,303,340'Optical micrometer measuring system'19814,284,412'Method and apparatus for automated identification and enumeration of specified blood cell subclasses'19814,284,355'Automated method for cell volume determination'19814,224,567'Apparatus for measuring resistance change only in a cell analyzer and method for calibrating it'19804,200,354'Microscopy systems with rectangular illumination particularly adapted for viewing transparent objects'19804,200,353'Modulation contrast microscope with three regions'19804,062,619'Variable background intensity apparatus for imaging systems'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1981Patents assigned to HOFFMAN ROBERT (4)· patent assignee history
1977–1981Based in Merrick, NY, US· patent location history
1981Patents assigned to ORTHO DIAGNOSTICS (2)· patent assignee history
1981–1987Based in Mansfield, MA, US· patent location history
1984–1987Patents assigned to ORTHO DIAGNOSTIC SYSTEMS INC (5)· patent assignee history
1991–2014Patents assigned to BECTON DICKINSON CO (9)· patent assignee history
1991–2020Based in Livermore, CA, US· patent location history
2007–2013Patents assigned to HOFFMAN ROBERT A (2)· patent assignee history
2007Based in Lancaster, PA, US· patent location history
2021Based in San Marcos, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BECTON DICKINSON CO | 9 | 1991–2014 |
| ORTHO DIAGNOSTIC SYSTEMS INC | 5 | 1984–1987 |
| HOFFMAN ROBERTself | 4 | 1977–1981 |
| HOFFMAN ROBERT Aself | 2 | 2007–2013 |
| ORTHO DIAGNOSTICS | 2 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Livermore, California, US | 11 | 1991–2020 |
| Mansfield, Massachusetts, US | 7 | 1981–1987 |
| Merrick, New York, US | 4 | 1977–1981 |
| San Marcos, California, US | 1 | 2021 |
| Lancaster, Pennsylvania, US | 1 | 2007 |