Aichi, Japan

Yoshimasa Negishi

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2000-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshimasa Negishi. Retrieved from https://idiyas.com/inventor/yoshimasa-negishi

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


% Patents Active = 60.0


Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 157(Granted Patents)


Location History:

  • Nishikamo-gun, JP (2003)
  • Aichi-ken, JP (2000 - 2005)

Company Filing History:


Years Active: 2000-2005

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5 patents (USPTO):Explore Patents

Title: Innovations of Yoshimasa Negishi

Introduction

Yoshimasa Negishi is a prominent inventor based in Aichi-ken, Japan. He has made significant contributions to the field of hydrogen generation and fuel reforming. With a total of 5 patents to his name, Negishi's work focuses on enhancing the efficiency and effectiveness of fuel reformer devices.

Latest Patents

Negishi's latest patents include a fuel reformer device designed to produce hydrogen-rich gas from hydrocarbons and steam. This invention addresses the challenges of temperature control during the steam reforming reaction, which is endothermic. By utilizing a reformer unit with a Cu—Zn catalyst, the device ensures that the heat generated from an exothermic oxidation reaction is effectively transmitted throughout the system, preventing excessive temperature rises. Another notable patent is his hydrogen generating system, which vaporizes a liquid raw material and steam-reforms it to generate hydrogen. This system includes a pressure regulating valve that optimizes the vaporization process, thereby improving the rate of steam generation.

Career Highlights

Negishi is currently employed at Toyota Jidosha Kabushiki Kaisha, where he continues to innovate in the automotive and energy sectors. His work has been instrumental in advancing technologies that support sustainable energy solutions.

Collaborations

Negishi has collaborated with notable coworkers such as Masayoshi Taki and Masaaki Yamaoka, contributing to a dynamic team focused on cutting-edge research and development.

Conclusion

Yoshimasa Negishi's contributions to the field of hydrogen generation and fuel reforming highlight his innovative spirit and commitment to advancing technology. His patents reflect a deep understanding of the complexities involved in energy production, making him a valuable asset in the industry.

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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