Inventor

David J. Litman

Inventor

Mountain View, CA, US

Overview

1981–1995

Patent span

Physics

Primary field (CPC G)

Patents· 19 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 properties50%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests47%

Y10TTechnical subjects covered by former us classification3%

PatentTitleYear

5,432,057'Simultaneous calibration heterogeneous immunoassay'1995 5,342,759'Simultaneous calibration heterogeneous immunoassay'1994 5,232,835'Qualitative immunochromatographic method and device'1993 5,156,953'Simultaneous calibration heterogeneous immunoassay'1992 5,156,952'Qualitative immunochromatographic method and device'1992 5,030,558'Qualitative immunochromatographic method and device'1991 4,945,205'Chromatographic strip having non-compressed edges'1990 4,849,338'Simultaneous calibration heterogeneous immunoassay'1989 4,843,000'Simultaneous calibration heterogeneous immunoassay'1989 4,756,828'Chromatographic strip having non-compressed edges'1988 4,654,300'Fluorescent microbead quenching assay'1987 4,540,659'Simultaneous calibration heterogeneous immunoassay'1985 4,533,629'Simultaneous calibration heterogeneous immunoassay'1985 4,435,504'Immunochromatographic assay with support having bound \"MIP\" and second enzyme'1984 4,391,904'Test strip kits in immunoassays and compositions therein'1983 4,374,925'Macromolecular environment control in specific receptor assays'1983 4,318,707'Macromolecular fluorescent quencher particle in specific receptor assays'1982 4,299,916'Preferential signal production on a surface in immunoassays'1981 4,275,149'Macromolecular environment control in specific receptor assays'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1995Patents assigned to SYVA CO (13)· patent assignee history

1981–1983Based in Palo Alto, CA, US· patent location history

1982–1983Based in Cupertino, CA, US· patent location history

1984–1995Based in Mountain View, CA, US· patent location history

1987–1993Patents assigned to SYNTEX INC (6)· patent assignee history

1988–1993Based in Los Altos, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SYVA CO	13	1981–1995
SYNTEX INC	6	1987–1993

Locations

Location	Patents	Span
Mountain View, California, US	9	1984–1995
Los Altos, California, US	5	1988–1993
Palo Alto, California, US	3	1981–1983
Cupertino, California, US	2	1982–1983