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For the Inventor, By the Inventor

Mountain View, CA, United States of America

Polyfuel, Inc.

USPTO Granted Patents = 10

% Expired Patents = 90.0


Forward Citations = 82

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18 inventors (with patents filed for the assignee):

goldMedal Shuguang Cao (6 out of 6 patents)

silverMedal Helen Xiao Xu (4 out of 10 patents)

bronzeMedal Kie Hyun Nam (4 out of 4 patents)

4.  Jian Ping Chen (4 out of 14 patents)

5.  David Olmeijer (3 out of 14 patents)

6.  Thomas O Jeanes (3 out of 20 patents)

7.  Alexey Salamini (2 out of 30 patents)

8.  Craig M Lawrence (2 out of 8 patents)

9.  David Bliven (2 out of 2 patents)

10.  Bruce Grant MacGregor (2 out of 9 patents)

11.  Kiehyun Nam (1 out of 1 patent)

12.  Jon Servaites (1 out of 1 patent)

13.  Ying Wang (1 out of 1 patent)

14.  Philip Cox (1 out of 5 patents)

15.  Suk-Yal Cha (1 out of 1 patent)


10 patents:

1. 7572535 - Ion conductive copolymers containing one or more hydrophobic oligomers (2009-08-11),
2. 7534515 - Acid-base proton conducting polymer blend membrane (2009-05-19),
3. 7507771 - Ion conductive copolymers containing one or more hydrophobic oligomers (2009-03-24),
4. 7504461 - Ion-conductive copolymers containing one or more ion-conducting oligomers (2009-03-17),
5. 7354679 - Ion conductive random copolymers (2008-04-08),
6. 7316855 - Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device (2008-01-08),
7. 7202001 - Sulfonated copolymer (2007-04-10),
8. 7094490 - Ion conductive block copolymers (2006-08-22),
9. 7005206 - Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device (2006-02-28),
10. 6911411 - Catalyst agglomerates for membrane electrode assemblies (2005-06-28),
Company Overview
Polyfuel, Inc. is a technology company based in Mountain View, California, specializing in the development of advanced fuel cell technologies. The organization focuses on creating innovative solutions for clean energy applications, particularly in the automotive and portable power sectors. By leveraging proprietary materials and engineering expertise, Polyfuel aims to enhance the performance and efficiency of fuel cells, contributing to the broader transition towards sustainable energy systems.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Polyfuel, Inc. USPTO Patent Assignee Logo
10 Patents

#251 in Mountain View, CA

#7,118 in California

#29,882 in US

#56,092 in the World

Mountain View, CA (US)
Mountain View, CA, United States of America

Polyfuel, Inc.

Forward Citations = 82

18 inventors:

goldMedal Shuguang Cao (6 out of 6 patents)

silverMedal Helen Xiao Xu (4 out of 10 patents)

bronzeMedal Kie Hyun Nam (4 out of 4 patents)

4.  Jian Ping Chen (4 out of 14 patents)

5.  David Olmeijer (3 out of 14 patents)

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

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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