Nagoya, Japan

Yuichiro Sugiyama

This inventor holds 5 USPTO granted patents and 1 published patent application, plus 2 CIPO patents and 2 EPO patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, The University of Chicago, Toyota Motor Engineering & Manufacturing North America, Inc.. Active years: 2010-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuichiro Sugiyama. Retrieved from https://idiyas.com/inventor/yuichiro-sugiyama

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

USPTO Granted Patents = 5 

% Patents Active = 20.0



Average Co-Inventor Count = 2.1

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Chicago, IL (US) (2010)
  • Aichi, JP (2011)
  • Susono, JP (2013)
  • Nagoya, JP (2018)

Company Filing History:


Years Active: 2010-2018

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5 patents (USPTO):Explore Patents

Title: The Innovative Journey of Yuichiro Sugiyama in Fuel Cell Technology

Introduction: Yuichiro Sugiyama, a remarkable inventor based in Nagoya, Japan, has made significant strides in the realm of fuel cell technology. With a total of five patents to his name, Sugiyama's inventions are paving the way for more efficient and stable fuel cell vehicles.

Latest Patents: Sugiyama's latest patents showcase his dedication to advancing fuel cell technology. One notable patent is for a fuel cell vehicle coolant that boasts improved storage stability. This invention includes a stock solution composition designed for dilution with water and introduces a method for producing the coolant effectively. The stock solution features ethylene glycol compounds such as ethylene glycol, diethylene glycol, and triethylene glycol, ensuring enhanced performance.

Another recent patent focuses on electrode powder that constitutes the catalytic layer in a fuel cell. This innovative approach specifies the physical properties of the catalytic layer, directly correlated with fuel cell performance. The patented electrode powder maintains an optimal amount of adsorbed water vapor, thus achieving superior output performance under various humidity conditions.

Career Highlights: Throughout his career, Yuichiro Sugiyama has held key positions in notable automotive companies, including Toyota Motor Corporation and Toyota Motor Engineering & Manufacturing North America, Inc. His work in these organizations has undoubtedly contributed to his advancements in fuel cell technology.

Collaborations: In pursuit of innovation, Sugiyama has collaborated with esteemed colleagues such as Hisashi Yamamoto and Kazuhiro Miyajima. Their collective expertise has further enriched the research and development of advanced fuel cell systems.

Conclusion: Yuichiro Sugiyama’s contributions to fuel cell technology not only highlight his innovative spirit but also underscore the potential for sustainable automotive advancements. His work continues to inspire future generations of inventors and engineers in the quest for greener 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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