Inventor

Ranga Nathan

Inventor
Newark, CA, US

Overview

7→
Patents
1986–1999
Patent span
Human necessities
Primary field (CPC A)

Patents· 7 as inventor

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

C07Kprimary
C07KPeptides28%
A61KPreparations for medical, dental or toiletry purposes24%
A61LMethods or apparatus for sterilising materials or objects in general24%
A61FFilters implantable into blood vessels8%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
C12NMicroorganisms or enzymes4%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1991Patents assigned to COLLAGEN CORP (4)· patent assignee history
1986–1995Based in Newark, CA, US· patent location history
1993–1999Patents assigned to CELTRIX PHARMA (3)· patent assignee history
1999Based in Danville, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COLLAGEN CORP41986–1991
CELTRIX PHARMA31993–1999
Locations
LocationPatentsSpan
Newark, California, US61986–1995
Danville, California, US11999