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Palo Alto, CA, United States of America

Syva Company

USPTO Granted Patents = 104

Trademarks = 6

Forward Citations = 7,656

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46 inventors (with patents filed for the assignee):

Edwin F Ullman (51 out of 199 patents)

Prithipal Singh (21 out of 39 patents)

Kenneth E Rubenstein (15 out of 15 patents)

4. Pyare L Khanna (10 out of 53 patents)

5. David J Litman (10 out of 19 patents)

6. Richard K Leute (9 out of 9 patents)

7. Mae W Hu (6 out of 24 patents)

8. Gerald L Rowley (6 out of 10 patents)

9. Moshe Schwarzberg (6 out of 6 patents)

10. Robert A Yoshida (5 out of 6 patents)

11. Edward T Maggio (5 out of 6 patents)

12. Robert F Zuk (4 out of 49 patents)

13. Marcel R Pirio (4 out of 24 patents)

14. Richard S Schneider (4 out of 4 patents)

15. Ian Gibbons (3 out of 108 patents)

Core Competencies:

Enzyme Immunoassays

Fluorescent Detection

Competitive Binding Assays

Immunochromatographic Assay

Protein Binding Assays

Antibody Conjugates

Fluorescent Compounds

Signal Production

Macromolecular Environment

Assay Methods

Receptor Determination

Chemical Induced Fluorescence

104 patents: Sort by Forward Citations

1. 5439826 - Method of distinguishing among strips for different assays in an (1995-08-08),

2. 5432057 - Simultaneous calibration heterogeneous immunoassay (1995-07-11),

3. 5342759 - Simultaneous calibration heterogeneous immunoassay (1994-08-30),

4. 4663278 - Agglutination dependent enzyme channeling immunoassay (1987-05-05),

5. 4540659 - Simultaneous calibration heterogeneous immunoassay (1985-09-10),

6. 4533629 - Simultaneous calibration heterogeneous immunoassay (1985-08-06),

7. 4532203 - Fluorescent determination of microlymphocytotoxicity (1985-07-30),

8. 4508892 - Compositions for competitive protein binding assays inhibiting (1985-04-02),

9. 4504413 - Acetaminophen analogs, antigens, and antibodies (1985-03-12),

10. 4501692 - Charge effects in enzyme immunoassays (1985-02-26),

11. 4489157 - Chloramphenicol derivatives (1984-12-18),

12. 4489156 - Chloramphenicol derivatives (1984-12-18),

13. 4481136 - Alkyl substituted fluorescent compounds and conjugates (1984-11-06),

14. 4447527 - Single test formulations for enzyme immunoassays and method for (1984-05-08),

15. 4446065 - Phencyclidine compounds and assays for its determination (1984-05-01),

Company Overview

Syva Company, based in Palo Alto, CA, specializes in the development and manufacturing of advanced immunoassay technologies. Their expertise encompasses a range of core areas, including enzyme immunoassays, fluorescent detection methods, and competitive binding assays. The company is known for its innovative approaches to immunochromatographic assays and protein binding assays, utilizing antibody conjugates and fluorescent compounds to enhance signal production. Syva's contributions are pivotal in the field of diagnostic testing and laboratory analysis.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

104 Patents

#24 in Palo Alto, CA

#832 in California

#3,663 in US

#7,525 in the World

Palo Alto, CA, United States of America

Syva Company

Forward Citations = 7,656

46 inventors:

Edwin F Ullman (51 out of 199 patents)

Prithipal Singh (21 out of 39 patents)

Kenneth E Rubenstein (15 out of 15 patents)

4. Pyare L Khanna (10 out of 53 patents)

5. David J Litman (10 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Syva Company. Retrieved from https://idiyas.com/company/syva-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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