Toyota, Japan

Hijiri Hirata

This inventor holds 1 USPTO granted patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hijiri Hirata. Retrieved from https://idiyas.com/inventor/hijiri-hirata

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2025

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Innovations of Hijiri Hirata in Fuel Cell Technology

Introduction

Hijiri Hirata is a notable inventor based in Toyota, Japan. She has made significant contributions to the field of fuel cell technology. Her innovative approach has led to advancements that enhance the efficiency and effectiveness of fuel cell systems.

Latest Patents

Hirata holds a patent for a fuel cell separator manufacturing method. This method involves immersing a stainless-steel base material, shaped into a separator, in an acidic solution. The solution has a fluorine ion concentration of 0.1 ppm or higher and a pH of 1±0.2 at a temperature of 80° C.±5° C. for 60 minutes or longer. This process performs a modification treatment on the surface of the stainless-steel base material, improving its performance in fuel cell applications.

Career Highlights

Hirata is currently employed at Toyota Jidosha Kabushiki Kaisha, a leading automotive manufacturer. Her work focuses on developing innovative solutions that contribute to the advancement of fuel cell technology. With her expertise, she plays a crucial role in the company's research and development efforts.

Collaborations

Hirata collaborates with talented colleagues, including Yusuke Nomura and Tsuyoshi Seguchi. Together, they work on various projects aimed at enhancing fuel cell technology and its applications in the automotive industry.

Conclusion

Hijiri Hirata's contributions to fuel cell technology exemplify her innovative spirit and dedication to advancing sustainable energy solutions. Her patent and collaborative efforts at Toyota highlight her significant role in the field.

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]
Loading…