Inventor
David Y. Chien
Inventor
Alamo, CA, US
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Kprimary
C07KPeptides27%
G01NInvestigating or analysing materials by determining their chemical or physical properties24%
C12NMicroorganisms or enzymes22%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms7%
A61KPreparations for medical, dental or toiletry purposes6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
Y10TTechnical subjects covered by former us classification2%
A61BDiagnosis1%
B01LChemical or physical laboratory apparatus for general use1%
PatentTitleYear
10,753,939HCV NS4a/modified NS3 polypeptides and uses thereof202010,267,803HCV NS4A/modified NS3 polypeptides and uses thereof20198,475,808'Immunogenic reagents from west nile virus'20138,173,375'Rabbit monoclonal antibodies to hepatitis B surface antigens and methods of using the same'20127,871,625'HCV multiple epitope fusion antigens with modified proteolytic cleavage sites and uses thereof'20117,785,782'Device and method for in-line blood testing using biochips'20107,563,873'Rabbit monoclonal antibodies to hepatitis B surface antigens and methods of using the same'20097,491,808'HCV non-structural protein mutants and uses thereof'20097,439,040'Protease regulator screening assay'20087,429,385'Intracellular production of hepatitis C E1 and E2 truncated polypeptides'20087,378,492'CD40-related receptor that binds CD40L'20087,319,144'Polynucleotides encoding a multiple epitope fusion antigen for use in an HCV antigen/antibody combination assay'20087,241,879'Immunoassays for anti-HCV antibodies'20077,166,426'HCV assay'20077,108,967'Hepatitis C viral antigen immunoassay detection systems'20067,056,658'Multiple epitope fusion protein'20066,924,122'Protease regulator screening assay'20056,815,160'Hepatitis C viral antigen immunoassay detection systems'20046,797,809'Multiple fusion antigens for use in immunoassays for anti-HCV antibodies'20046,632,601'Immunoassays for anti-HCV antibodies'20036,630,298'HCV antigen/antibody combination assay'20036,537,745'Buffers for stabilizing antigens'20036,521,423'Intracellular production of Hepatitis C E2 polypeptides'20036,514,731'Methods for the preparation of hepatitis C virus multiple copy epitope fusion antigens'20036,436,666'Protease regulator screening assay'20026,428,792'Hepatitis C virus multiple copy epitope fusion antigens'20026,416,946'Methods of typing hepatitis C virus and reagents for use therein'20026,416,944'Methods of typing hepatitis C virus and reagents for use therein'20026,391,540'Method for detecting antibodies in a sample'20026,346,375'NANBV diagnostics and vaccines'20026,261,764'Buffers for stabilizing antigens'20016,150,087'NANBV diagnostics and vaccines'20006,054,264'Methods of typing hepatitis C virus and reagents for use therein'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2006Patents assigned to CHIRON CORP (18)· patent assignee history
2000–2020Based in Alamo, CA, US· patent location history
2002–2009Based in Emeryville, CA, US· patent location history
2006–2013Patents assigned to NOVARTIS VACCINES & DIAGNOSTIC (12)· patent assignee history
2008Based in Los Altos, CA, US· patent location history
2012–2013Patents assigned to FONG YIU-LIAN (2)· patent assignee history
2019–2020Patents assigned to GRIFOLS WORLDWIDE OPERATIONS LTD (2)· patent assignee history
2019–2020Patents assigned to ORTHO CLINICAL DIAGNOSTICS INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHIRON CORP | 18 | 2000–2006 |
| NOVARTIS VACCINES & DIAGNOSTIC | 12 | 2006–2013 |
| FONG YIU-LIAN | 2 | 2012–2013 |
| GRIFOLS WORLDWIDE OPERATIONS LTD | 2 | 2019–2020 |
| ORTHO CLINICAL DIAGNOSTICS INC | 2 | 2019–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Alamo, California, US | 28 | 2000–2020 |
| Emeryville, California, US | 4 | 2002–2009 |
| Los Altos, California, US | 1 | 2008 |