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Daisuke Izuhara

This inventor holds 32 USPTO granted patents and 17 published patent applications, plus 21 CIPO patents and 23 EPO patents. Top assignees: Toray Industries, Inc., Daimler Ag, Ford Motor Company Limited. Active years: 2010-2026.

USPTO Granted Patents = 32 (Patent Applications = 17)

% Patents Active = 93.8

CIPO Patents = 21 (Patent Applications = 15)

EPO Patents = 23 (Patent Applications = 35)

Average Co-Inventor Count = 3.9

ph-index = 4

Forward Citations = 38(Granted Patents)

Location History:

Shiga, JP (2017)
Tokyo, JP (2017 - 2018)
Kyoto, JP (2010 - 2021)
Otsu, JP (2010 - 2024)

Company Filing History:

31 out of 3,572

Toray Industries, Inc.

Ford Motor Company Limited

patents

4. 1 out of 87

Japan Vilene Company, Ltd.

patents

5. 1 out of 8,576

Massachusetts Institute of Technology

patents

where one patent can have more than one assignee

Years Active: 2010-2026

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Areas of Expertise:

Fuel Cells

Polymer Electrolyte Membranes

Composite Electrolyte Membranes

Membrane Electrode Assemblies

Hydrogen Generators

Electrolyte Composition

Catalyst Layers

Sulfonic Acid Polymers

Block Copolymers

Electrolytic Materials

Manufacturing Methods

Electronic Devices

32 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12715962 - Block copolymer, production method therefor, polymeric electrolyte material, polymeric electrolyte molded article, polymeric electrolyte film, electrolyte film equipped with catalyst layer, membrane electrode composite, solid polymer fuel cell, and water electrolysis type hydrogen generating device (2026-08-25),

2. 12456742 - Method for operating fuel cell (2025-10-28),

3. 12234565 - Composite electrolyte membrane (2025-02-25),

4. 12199324 - Composite electrolyte membrane, electrolyte membrane having catalyst layer attached thereto, membrane-electrode composite, solid polymer-type fuel cell, and method for producing composite electrolyte membrane (2025-01-14),

5. 12148964 - Composite polymer electrolyte membrane, electrolyte membrane with catalyst layer, membrane-electrode assembly, and solid polymer fuel cell (2024-11-19),

6. 12062824 - Method and apparatus for producing membrane electrode assembly (2024-08-13),

7. 12040497 - Method of manufacturing and device for manufacturing membrane-catalyst assembly (2024-07-16),

8. 11973252 - Multilayer electrolyte membrane, membrane electrode assembly, water electrolysis-type hydrogen generator and method of producing multilayer electrolyte membrane (2024-04-30),

9. 11929511 - Manufacturing method and manufacturing device for film/catalyst assembly (2024-03-12),

10. 11652215 - Method of manufacturing and device for manufacturing membrane-catalyst assembly (2023-05-16),

11. 11108071 - Method for producing polymer electrolyte molded article, polymer electrolyte material, polymer electrolyte membrane, and polymer electrolyte fuel cell (2021-08-31),

12. 10826098 - Composite polymer electrolyte membrane, membrane electrode assembly and solid polymer fuel cell using same (2020-11-03),

13. 10483577 - Composite polymer electrolyte membrane, and catalyst-coated membrane, membrane electrode assembly, and polymer electrolyte fuel cell using the composite polymer electrolyte membrane (2019-11-19),

14. 10253147 - Polymer electrolyte composition, polymer electrolyte membrane using same, catalyst coated membrane, membrane electrode assembly and polymer electrolyte fuel cell (2019-04-09),

15. 10243229 - Polymer electrolyte membrane, catalyst coated membrane, membrane electrode assembly, and polymer electrolyte fuel cell (2019-03-26),

Title: The Innovative Work of Daisuke Izuhara in Kyoto

Introduction:

Daisuke Izuhara, a prolific inventor based in Kyoto, Japan, has made significant contributions in the field of membrane-electrode assembly production. With 27 patents to his name, Izuhara has been at the forefront of developing cutting-edge methods and apparatus in the manufacturing process.

Latest Patents:

Among his latest patents is the Method and Apparatus for producing membrane electrode assembly. This patent introduces a novel approach to manufacturing a membrane-electrode assembly, enhancing the adhesion between the catalyst layer-formed gas diffusion layer and the electrolyte membrane. The innovative technique combines a liquid application step with thermocompression bonding, achieving superior results with high productivity.

Another noteworthy patent is the Method of manufacturing and device for manufacturing membrane-catalyst assembly. This patent focuses on improving the adhesion between the catalyst layer and the electrolyte membrane, optimizing the thermocompression bonding process for enhanced efficiency.

Career Highlights:

Throughout his career, Izuhara has worked with leading companies such as Toray Industries, Inc., and Daimler AG. His expertise and dedication to innovation have led to groundbreaking advancements in the membrane-electrode assembly domain, shaping the future of clean energy technologies.

Collaborations:

Izuhara has collaborated closely with esteemed colleagues, including Hiroaki Umeda and Tomoyuki Kunita. Together, they have shared knowledge, insights, and expertise, driving forward progress in membrane-electrode assembly research and development.

Conclusion:

Daisuke Izuhara's inventive spirit and commitment to excellence have established him as a key figure in the field of membrane-electrode assembly production. His groundbreaking patents and collaborations underscore his invaluable contributions to the industry, paving the way for a more sustainable and efficient future.

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