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For the Inventor, By the Inventor

Redwood City, CA, United States of America

Cygnus, Inc.


USPTO Granted Patents = 75

% Expired Patents = 4.0



Trademarks = 1

Forward Citations = 24,065

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68 inventors (with patents filed for the assignee):

goldMedal Michael J Tierney (31 out of 46 patents)

silverMedal Janet A Tamada (28 out of 44 patents)

bronzeMedal Ronald T Kurnik (20 out of 47 patents)

4.  Russell O Potts (17 out of 37 patents)

5.  Chia-Ming Chiang (10 out of 22 patents)

6.  Pravin L Soni (10 out of 36 patents)

7.  Janan Jona (9 out of 12 patents)

8.  Bret Berner (7 out of 65 patents)

9.  Matthew J Lesho (7 out of 17 patents)

10.  Michael D Garrison (6 out of 9 patents)

11.  Russell Ford (6 out of 8 patents)

12.  Prema Vijayakumar (5 out of 8 patents)

13.  Thomas E Conn (5 out of 10 patents)

14.  Fouad Mansour (4 out of 4 patents)

15.  Jay Douglas Audett (4 out of 17 patents)


Core Competencies:
Transdermal Patch
Biosensor
Glucose Monitoring
Iontophoresis
Drug Delivery System
Physiological Analytes
Micro Surgery
Hydrogel
Chemical Mask
Signal Processing
Sample Collection
Sustained Release

75 patents:

1. 10848567 - Remote support for IoT devices (2020-11-24),
2. 9949876 - Small gauge instruments for micro surgery (2018-04-24),
3. 9370447 - Probes for use in ophthalmic and vitreoretinal surgery (2016-06-21),
4. 9335455 - Extended tip laser and illumination probe for retina surgery (2016-05-10),
5. 8647333 - Ophthalmic surgical device (2014-02-11),
6. 6941163 - Formulation and manipulation of databases of analyte and associated values (2005-09-06),
7. RE38775 - Electrode with improved signal to noise ratio (2005-08-15),
8. 6902905 - Glucose measuring assembly with a hydrogel (2005-06-07),
9. 6885883 - Methods for improving performance and reliability of biosensors (2005-04-26),
10. 6882940 - Methods and devices for prediction of hypoglycemic events (2005-04-19),
11. 6862466 - Methods of monitoring glucose levels in a subject and uses thereof (2005-03-01),
12. 6850790 - Monitoring of physiological analytes (2005-02-01),
13. RE38681 - Electrode with improved signal to noise ratio (2005-01-03),
14. 6816742 - Biosensor and methods of use thereof (2004-11-09),
15. 6771995 - Chemical signal-impermeable mask (2004-08-03),
Company Overview
Cygnus, Inc., based in Redwood City, California, specializes in innovative transdermal drug delivery systems. The company focuses on developing advanced technologies such as transdermal patches and biosensors, particularly for glucose monitoring and other physiological analytes. Their expertise in iontophoresis and hydrogel formulations enables precise drug delivery, enhancing patient compliance and therapeutic outcomes. Cygnus is committed to advancing medical technology through research and development in microsurgery and drug delivery solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

75 Patents

#29 in Redwood City, CA

#1,154 in California

#4,911 in US

#10,020 in the World

Redwood City, CA (US)
Redwood City, CA, United States of America

Cygnus, Inc.

Forward Citations = 24,065

68 inventors:

goldMedal Michael J Tierney (31 out of 46 patents)

silverMedal Janet A Tamada (28 out of 44 patents)

bronzeMedal Ronald T Kurnik (20 out of 47 patents)

4.  Russell O Potts (17 out of 37 patents)

5.  Chia-Ming Chiang (10 out of 22 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cygnus, Inc.. Retrieved from https://idiyas.com/company/cygnus

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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