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For the Inventor, By the Inventor

Nagakute, Japan

Hiromitsu Tanaka

This inventor holds 20 USPTO granted patents and 1 EPO patent, primarily in Fuel Cell Technology. Top assignees: Kabushiki Kaisha Toyota Chuo Kenkyusho, Toyota Jidosha Kabushiki Kaisha, Cataler Corporation. Active years: 1997-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromitsu Tanaka. Retrieved from https://idiyas.com/inventor/hiromitsu-tanaka-ec32y0j3

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 20

% Patents Active = 80.0


Average Co-Inventor Count = 3.7

ph-index = 4

Forward Citations = 30(Granted Patents)


Location History:

  • Aichi-ken, JP (1997 - 2004)
  • Aichi, JP (2003 - 2004)
  • Aichi-gun, JP (2003 - 2018)
  • Nagakute, JP (2014 - 2022)

Company Filing History:

goldMedal13 out of 1,154 
 
Kabushiki Kaisha Toyota Chuo Kenkyusho
 patents
silverMedal8 out of 39,010 
 
Toyota Jidosha Kabushiki Kaisha
 patents
bronzeMedal2 out of 261 
 
Cataler Corporation
 patents
4. 2 out of 3,086 
 
Toyoda Gosei Co., Ltd.
 patents
5. 1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1997-2022

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Areas of Expertise:
Fuel Cell Electrode Catalyst
Carbon Material Precursor
Thermally Conductive Composite
Nanoheterostructure
Photocatalyst
Electrolyte Membrane
Electroluminescent Element
Self-Doped Conductive Polymer
Composite Type Conductive Polymer
Dichroic Crystal
Graphite Particles
Resin Composite Material
20 patents (USPTO):Explore Patents
1. 11258075 - Fuel cell electrode catalyst (2022-02-22),
2. 11040882 - Carbon material precursor, carbon material precursor composition containing the same, and method for producing carbon material using these (2021-06-22),
3. 10938039 - Electrode catalyst for fuel cell and method of producing the same, and cathode, anode, and fuel cell including electrode catalyst (2021-03-02),
4. 10734658 - Electrode catalyst for fuel cell and method of producing the same, and cathode, anode, and fuel cell including electrode catalyst (2020-08-04),
5. 10647094 - Thermally conductive composite material (2020-05-12),
6. 10451771 - Antireflection member, transfer member, and method for producing antireflection member (2019-10-22),
7. 9914666 - Nanoheterostructure and method for producing the same (2018-03-13),
8. 9728294 - Resin composite material (2017-08-08),
9. 9096736 - Fine graphite particles, graphite particle-dispersed liquid containing the same, and method for producing fine graphite particles (2015-08-04),
10. 8735489 - Resin composite material (2014-05-27),
11. 8652989 - Photocatalyst and reducing catalyst using the same (2014-02-18),
12. 8440365 - Electrolyte, production process therefor, electrolyte membrane, production process therefor, catalyst layer and fuel cell (2013-05-14),
13. 6777111 - Electro luminescent element (2004-08-17),
14. 6730418 - Quinoline derivatives and organic electroluminescent devices (2004-05-04),
15. 6660183 - Self-doped conductive polymer, monomer for synthesizing self-doped conductive polymer, and processes of producing the same (2003-12-09),

Title: *Hiromitsu Tanaka: Innovator in Fuel Cell Technology*

Introduction

Hiromitsu Tanaka is an accomplished inventor based in Nagakute, Japan, with a remarkable portfolio of 20 patents. His innovative contributions primarily focus on advancements in fuel cell technology, positioning him as a key figure in the evolution of clean energy solutions.

Latest Patents

Tanaka's latest patents showcase his expertise in fuel cell electrode catalysts. One significant patent details a fuel cell electrode catalyst that includes a noble-metal-supported catalyst featuring a carbon support and a noble metal. This catalyst is modified with a water-repellent material that enhances its efficiency. The carbon support is crafted from mesoporous carbon, with specific pore volume characteristics. Additionally, another patent addresses the production of carbon material using an acrylamide-based polymer as a precursor, demonstrating his innovative approach to enhancing material properties in fuel cells.

Career Highlights

Throughout his career, Hiromitsu Tanaka has held pivotal roles in notable organizations. He has contributed to the advancements of Toyota Central R&D Labs (Kabushiki Kaisha Toyota Chuo Kenkyusho) and Toyota Motor Corporation (Toyota Jidosha Kabushiki Kaisha), where he applied his expertise in research and development of automotive technologies, particularly focusing on fuel cell systems.

Collaborations

In his professional journey, Tanaka has collaborated with talented coworkers such as Hisato Takeuchi and Arimitsu Usuki. These collaborations have undoubtedly fostered a creative environment that has led to the development of groundbreaking technologies and patents in the fuel cell domain.

Conclusion

Hiromitsu Tanaka’s contributions to the field of fuel cell technology are notable, as reflected in his extensive patent portfolio. His innovative spirit and collaborative efforts in leading companies underscore his commitment to advancing clean energy solutions. As the world moves towards sustainable alternatives, Tanaka's work will continue to play a vital role in shaping the future of energy technologies.

Profile summary based on public USPTO records.
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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