Tochigi, Japan

Tomotaka Hirota

This inventor holds 2 USPTO granted patents. Top assignee: Johnson Matthey Japan Incorporated. Active years: 2003-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomotaka Hirota. Retrieved from https://idiyas.com/inventor/tomotaka-hirota

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 20(Granted Patents)


Location History:

  • Takanezawa-machi, JP (2003)
  • Tochigi-ken, JP (2015)

Company Filing History:


Years Active: 2003-2015

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2 patents (USPTO):Explore Patents

Title: Innovations of Tomotaka Hirota in Exhaust Gas Catalysts

Introduction

Tomotaka Hirota is a notable inventor based in Tochigi-ken, Japan. He has made significant contributions to the field of exhaust gas catalysts, holding two patents that enhance the efficiency of exhaust gas processing.

Latest Patents

Hirota's latest patents include an "Exhaust Gas Catalyst and Exhaust Gas Processing Apparatus Using Same." This invention improves catalyst efficiency by enhancing the diffusion of exhaust gas within the catalyst layer. The catalyst comprises at least a carrier and multiple layers formed on it. One of these layers contains pores, while another layer also has pores and includes noble metals, alumina, and a complex oxide primarily composed of ceria, zirconia, and rare earth elements. His second patent, "Exhaust Gas Clean-Up Catalyst," focuses on catalysts that contain one or more noble metals such as platinum, rhodium, and iridium, along with tungsten and optional metals like niobium and molybdenum. These catalysts are particularly effective in cleaning hydrocarbons from exhaust gases.

Career Highlights

Tomotaka Hirota is currently employed at Johnson Matthey Japan Incorporated, where he continues to innovate in the field of exhaust gas treatment technologies. His work is pivotal in addressing environmental concerns related to vehicle emissions.

Collaborations

Hirota collaborates with talented coworkers, including Geng Zhang and Yasunori Kurashima, who contribute to the development of advanced catalytic solutions.

Conclusion

Tomotaka Hirota's contributions to exhaust gas catalysts demonstrate his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of catalytic processes and their applications in reducing harmful emissions.

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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