Inventor

G. Duke Virca

Inventor
Bellevue, WA, US

Overview

19→
Patents
2000–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 19 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C12Nprimary
C12NMicroorganisms or enzymes36%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations15%
C07KPeptides13%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms13%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
A61KPreparations for medical, dental or toiletry purposes10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2008Patents assigned to IMMUNEX CORP (14)· patent assignee history
2000–2013Based in Bellevue, WA, US· patent location history
2004–2008Based in Seattle, WA, US· patent location history
2011–2013Patents assigned to AMGEN INC (4)· patent assignee history
2012–2013Patents assigned to HU SHAW-FEN SYLVIA (3)· patent assignee history
2012Patents assigned to VIRCA GEORGE DUKE (1)· patent assignee history
2013Patents assigned to VIRCA G DUKE (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IMMUNEX CORP142000–2008
AMGEN INC42011–2013
HU SHAW-FEN SYLVIA32012–2013
VIRCA G DUKEself22013
VIRCA GEORGE DUKEself12012
Locations
LocationPatentsSpan
Bellevue, Washington, US172000–2013
Seattle, Washington, US22004–2008