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For the Inventor, By the Inventor

Utsunomiya, Japan

Seiji Sugiura

This inventor holds 77 USPTO granted patents and 2 published patent applications, plus 11 CIPO patents and 5 EPO patents, primarily in Fuel Cell Technology (CPC class H01M). Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha. Active years: 2004-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Sugiura. Retrieved from https://idiyas.com/inventor/seiji-sugiura

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

USPTO Granted Patents = 77 

% Patents Active = 58.4



Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 125(Granted Patents)

Forward Citations (Not Self Cited) = 111(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tochigi, JP (2015)
  • Utsunomiya-Shi, JP (2016)
  • Tochigi-ken, JP (2017)
  • Utsunomiya, JP (2004 - 2018)
  • Torrance, CA (US) (2021)
  • Wako, JP (2005 - 2024)

Company Filing History:

goldMedal57 out of 22,006 
 
Honda Motor Co., Ltd.
 patents
silverMedal20 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents

Years Active: 2004-2024

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Areas of Expertise:
Fuel Cell
Resin-Framed Assembly
Membrane Electrode Assembly
Fuel Cell Stack
Electric Power Supply
Fluid Sealing Structure
Gas Diffusion Layers
Electrolyte Membrane
Separator Design
Water Discharge Channel
Control Methods
Thermal Management
77 patents (USPTO):Explore Patents
1. 12132238 - Fuel cell system (2024-10-29),
2. 12021286 - Fuel cell system (2024-06-25),
3. 11870114 - Fuel cell system and method of controlling fuel cell system (2024-01-09),
4. 11831052 - Electric power supply system, controlling method of electric power supply system, and storage medium (2023-11-28),
5. 11316178 - Checking method of resin-framed membrane electrode assembly (2022-04-26),
6. 11158868 - Fuel cell (2021-10-26),
7. 10559835 - Resin-framed membrane-electrode assembly for fuel cell (2020-02-11),
8. 10497946 - Fuel cell (2019-12-03),
9. 10476086 - Resin-framed stepped membrane electrode assembly for fuel cell (2019-11-12),
10. 10381661 - Resin frame equipped membrane electrode assembly for fuel cell (2019-08-13),
11. 10141592 - Resin-framed membrane electrode assembly for fuel cell (2018-11-27),
12. 10056619 - Fuel cell having a recess in the separator (2018-08-21),
13. 10003098 - Fuel cell (2018-06-19),
14. 9780400 - Fuel cell having an empty space gap between the separator and electrode (2017-10-03),
15. 9660276 - Fuel cell including separator with outer ends placed inward of fluid passages formed in frame (2017-05-23),

Title: The Innovative Journey of Seiji Sugiura

Introduction:

Seiji Sugiura, a pioneering inventor hailing from Utsunomiya, Japan, has made significant contributions to the world of technology through his groundbreaking innovations and patents.

Latest Patents:

Seiji Sugiura's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power generation and energy storage solutions. His innovative approach to sustainable energy has garnered attention worldwide.

Career Highlights:

With a career spanning over two decades, Seiji Sugiura has established himself as a leading figure in the tech industry. His work has led to the development of cutting-edge solutions that have revolutionized the way we harness and utilize energy.

Collaborations:

Throughout his career, Seiji Sugiura has collaborated with top research institutions and leading tech companies to further his innovative projects. His ability to work across disciplines and industries has resulted in the successful implementation of his groundbreaking ideas.

Conclusion:

Seiji Sugiura's relentless pursuit of innovation and his commitment to creating a more sustainable future have solidified his position as a visionary inventor. His work continues to inspire and shape the landscape of technological advancements, leaving a lasting impact on generations to come.

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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