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London, United Kingdom

Johnson Matthey Fuel Cells Limited

USPTO Granted Patents = 38

EPO Patents = 37

Forward Citations = 51

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55 inventors (with patents filed for the assignee):

Jonathan David Brereton Sharman (10 out of 14 patents)

Rachel Louise O'Malley (9 out of 10 patents)

Robert Jeffrey Coleman (7 out of 7 patents)

4. Thomas Robertson Ralph (6 out of 18 patents)

5. David Thompsett (5 out of 32 patents)

6. Angus John Dickinson (5 out of 6 patents)

7. Enrico Petrucco (5 out of 5 patents)

8. David Edward Barnwell (5 out of 6 patents)

9. Sarah Caroline Ball (5 out of 9 patents)

10. Edward Anthony Wright (4 out of 5 patents)

11. Alejandro Martinez Bonastre (3 out of 7 patents)

12. Geoffrey Hugh Spikes (3 out of 3 patents)

13. Lee Alan Sweetland (3 out of 3 patents)

14. Jorge Manuel Caramelo Soares (3 out of 3 patents)

15. Ian Roy Harkness (3 out of 4 patents)

38 patents: Sort by Forward Citations

1. 11404701 - Catalyst (2022-08-02),

2. 11398639 - System and method for the manufacture of membrane electrode assemblies (2022-07-26),

3. 11239485 - Process (2022-02-01),

4. 11158867 - Catalyst layer (2021-10-26),

5. 11139482 - Catalyst (2021-10-05),

6. 10964967 - Process for the recovery of ionomer (2021-03-30),

7. 10938038 - Use of an anode catalyst layer (2021-03-02),

8. 10833334 - Catalyst (2020-11-10),

9. 10811716 - Ion-conducting membrane (2020-10-20),

10. 10777833 - Membrane (2020-09-15),

11. 10615423 - Catalyst (2020-04-07),

12. 10530002 - Ion-conducting membrane (2020-01-07),

13. 10424800 - Process for making a reinforced membrane-seal assembly and membrane-seal assembly for fuel cell (2019-09-24),

14. 10333157 - Membrane-seal assembly (2019-06-25),

15. 10297836 - Catalyst layer (2019-05-21),

Johnson Matthey Fuel Cells Limited is a leading provider of fuel cell systems and components for a range of applications including automotive, stationary power, and portable power. With over 50 years of experience, the company combines innovative technology with a commitment to sustainability to deliver reliable and efficient fuel cell solutions. Johnson Matthey Fuel Cells Limited pursues advancements in fuel cell technology to enable a transition towards greener and more sustainable energy sources.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

38 Patents

#90 in London

#458 in United Kingdom

#17,313 in the World

London, United Kingdom

Johnson Matthey Fuel Cells Limited

Forward Citations = 51

55 inventors:

Jonathan David Brereton Sharman (10 out of 14 patents)

Rachel Louise O'Malley (9 out of 10 patents)

Robert Jeffrey Coleman (7 out of 7 patents)

4. Thomas Robertson Ralph (6 out of 18 patents)

5. David Thompsett (5 out of 32 patents)

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