For the Inventor, By the Inventor

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Mountain View, CA, United States of America

Polyfuel, Inc.

USPTO Granted Patents = 10

% Expired Patents = 90.0

EPO Patents = 1

Forward Citations = 82

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18 inventors (with patents filed for the assignee):

Shuguang Cao (6 out of 6 patents)

Helen Xiao Xu (4 out of 10 patents)

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: Sort by Forward Citations

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),

Polyfuel, Inc. is a leading provider of advanced fuel cell technology and solutions. With a focus on efficiency and sustainability, Polyfuel develops innovative fuel cell membranes and components for various applications including automotive, aerospace, and portable power systems. Their cutting-edge technology is designed to meet the growing demand for clean energy solutions in a wide range of industries.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

10 Patents

#251 in Mountain View, CA

#7,106 in California

#29,828 in US

#55,954 in the World

Mountain View, CA, United States of America

Polyfuel, Inc.

Forward Citations = 82

18 inventors:

Shuguang Cao (6 out of 6 patents)

Helen Xiao Xu (4 out of 10 patents)

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)

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