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Fremont, CA, United States of America

Ciphergen Biosystems, Inc.

Calculating rank

USPTO Granted Patents = 35

% Expired Patents = 40.0

EPO Patents = 5

Forward Citations = 1,152

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45 inventors (with patents filed for the assignee):

Tai-Tung Yip (10 out of 35 patents)

T William Hutchens (9 out of 28 patents)

Scot Randy Weinberger (7 out of 27 patents)

4. Edward J Gavin (6 out of 7 patents)

5. Michael G Youngquist (4 out of 14 patents)

6. William E Rich (4 out of 9 patents)

7. Sidney E Buttrill (3 out of 16 patents)

8. Leonid Braginsky (3 out of 4 patents)

9. Egisto Boschetti (2 out of 56 patents)

10. Pil-Je Um (2 out of 5 patents)

11. Kamen Voivodov (2 out of 4 patents)

12. Craig A Keller (2 out of 4 patents)

13. Chris D Paulse (2 out of 2 patents)

14. Steven M Clark (2 out of 11 patents)

15. Jody E Beecher (2 out of 9 patents)

Core Competencies:

Mass Spectrometry

Chromatography

Protein Profiling

Biochip Arrays

Laser Desorption

Microfluidic Processing

Time-of-Flight

Hydrogel Coatings

Ion Optical Elements

Gas Phase Ion Spectrometry

Biopolymer Ladders

Adsorbents

35 patents: Sort by Forward Citations

1. 8198019 - Protein profiling for premalignant tissue (2012-06-12),

2. 7247846 - Electric sector time-of-flight mass spectrometer with adjustable ion optical elements (2007-07-24),

3. 7183544 - Bi-functional polymer chip (2007-02-27),

4. 7160734 - Retentate chromatography and protein chip arrays with applications in biology (2007-01-09),

5. 7129483 - Laser desorption and ionization mass spectrometer with quantitative reproducibility (2006-10-31),

6. 7112453 - Retentate chromatography and protein chip arrays with applications in biology and medicine (2006-09-26),

7. 7105339 - Retentate chromatography and protein chip arrays with applications in biology and medicine (2006-09-12),

8. 7046357 - Apparatus for microfluidic processing and reading of biochip arrays (2006-05-16),

9. 7045366 - Photocrosslinked hydrogel blend surface coatings (2006-05-16),

10. 7027933 - Method for analyzing mass spectra (2006-04-11),

11. 6998606 - Electric sector time-of-flight mass spectrometer with adjustable ion optical elements (2006-02-14),

12. 6977370 - Off-resonance mid-IR laser desorption ionization (2005-12-20),

13. 6946653 - Methods and apparatus for improved laser desorption ionization tandem mass spectrometry (2005-09-20),

14. 6909981 - Data management system and method for processing signals from sample spots (2005-06-21),

15. 6897072 - Probes for a gas phase ion spectrometer (2005-05-24),

Company Overview

Ciphergen Biosystems, Inc. is a biotechnology company based in Fremont, California, specializing in the development of innovative protein biomarker discovery and analysis technologies. The company focuses on advancing proteomics and mass spectrometry applications to facilitate research in areas such as drug development, diagnostics, and personalized medicine. Ciphergen's expertise lies in providing tools and solutions that enhance the understanding of complex biological systems, ultimately contributing to improved healthcare outcomes.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

35 Patents

#62 in Fremont, CA

#2,311 in California

#9,757 in US

#19,187 in the World

Fremont, CA, United States of America

Ciphergen Biosystems, Inc.

Forward Citations = 1,152

45 inventors:

Tai-Tung Yip (10 out of 35 patents)

T William Hutchens (9 out of 28 patents)

Scot Randy Weinberger (7 out of 27 patents)

4. Edward J Gavin (6 out of 7 patents)

5. Michael G Youngquist (4 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ciphergen Biosystems, Inc.. Retrieved from https://idiyas.com/company/ciphergen-biosystems

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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