Susono, Japan

Tatsuya Arai

This inventor holds 13 USPTO granted patents and 3 EPO patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Audi Ag, Mitsui Minings & Melting Co., Ltd.. Active years: 2012-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Arai. Retrieved from https://idiyas.com/inventor/tatsuya-arai-a2vj4jws

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


% Patents Active = 76.9

 

Average Co-Inventor Count = 2.5

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Toyota, JP (2014)
  • Susono, JP (2012 - 2022)
  • Aichi, JP (2022)

Company Filing History:


Years Active: 2012-2022

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13 patents (USPTO):Explore Patents

Title: Innovations by Inventor Tatsuya Arai in Electrode Catalysts

Introduction

Tatsuya Arai, an esteemed inventor based in Susono, Japan, has made significant contributions to the field of electrode catalysts. With a remarkable portfolio of 13 patents, Arai has focused on enhancing the performance and efficiency of fuel cells through innovative methods and materials.

Latest Patents

Among his latest inventions is a patented method for producing an electrode catalyst. This method allows for the easy production of an electrode catalyst with exceptional catalytic performance, including kinetically controlled current density. The method comprises several crucial steps, including the preparation of a dispersion liquid with various components such as sulfoxide and amide compounds, a catalyst carrier powder of metal oxide, platinum compounds, transition metal compounds, and aromatic compounds.

Another noteworthy patent of Arai's includes the development of a catalyst layer for fuel cells. This layer consists of a carbon carrier with pores, a catalyst metal supported on the carrier, and an ionomer that encapsulates the carbon carrier. The invention emphasizes the importance of the crystal length of the carbon carrier and the appropriate coverage of catalyst metal by the ionomer to enhance fuel cell performance.

Career Highlights

Tatsuya Arai's professional journey includes significant roles at reputable companies such as Toyota Motor Corporation and Audi AG. His work in these organizations has greatly influenced advancements in automotive technology and fuel cell efficiency.

Collaborations

Throughout his career, Arai has worked alongside notable colleagues, including Naoki Takehiro and Keiichi Kaneko. These collaborations have fostered an environment of innovation and expertise that further enhances the impact of his inventions.

Conclusion

Tatsuya Arai's dedication to advancing electrode catalysts exemplifies the importance of innovation in the field of fuel cells. His patents not only contribute to technological advancements but also pave the way for more efficient energy solutions in the automotive industry. Through his remarkable work, Arai continues to be a key player in the realm of innovation and invention.

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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