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Inventor

Roger Walker

Inventor
Benicia, CA, US

Overview

14→
Patents
1994–2020
Patent span
Physics
Primary field (CPC G)

Patents· 14 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 properties47%
C07KPeptides23%
Y10TTechnical subjects covered by former us classification13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
C12NMicroorganisms or enzymes3%
C12YEnzymes3%
PatentTitleYear
10,648,981Combination treponemal and non-treponemal syphilis test202010,324,091Combination treponemal and non-treponemal syphilis test201910,088,488Multiplex immunoassays for hemoglobin, hemoglobin variants, and glycated forms201810,067,135Multiplex hepatitis B assay20189,927,439'Multiplex hepatitis B assay'20189,702,885'Recombinant deamidated gliadin antigen'20179,605,060'Multiplex immunoassays for hemoglobin, hemoglobin variants, and glycated forms'20179,213,034'Multiplex immunoassays for hemoglobin, hemoglobin variants, and glycated forms'20158,620,590'Dose surface method for determination of analyte ratios'20138,603,828'Multiplex immunoassays for hemoglobin, hemoglobin variants, and glycated forms'20138,260,556'Calibration surface method for determination on of analyte ratios'20125,716,853'Prenatal down syndrome screening with assays specific for UGP'19985,674,753'Epidermal growth factor receptor ectodomain'19975,344,760'Method of cancer detection'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2020Based in Benicia, CA, US· patent location history
1997–1998Patents assigned to CHIRON DIAGNOSTICS CORP (2)· patent assignee history
2012–2020Patents assigned to BIO RAD LABORATORIES (10)· patent assignee history
2012–2013Patents assigned to WALKER ROGER (3)· patent assignee history
2012–2013Patents assigned to LU YABIN (2)· patent assignee history
2017Patents assigned to BIO RAD LABORATORIES INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BIO RAD LABORATORIES102012–2020
WALKER ROGERself32012–2013
BIO RAD LABORATORIES INC22017
CHIRON DIAGNOSTICS CORP21997–1998
LU YABIN22012–2013
Locations
LocationPatentsSpan
Benicia, California, US141994–2020