Hiroshima, Japan

Hiroaki Hayashi

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Mazda Motor Corporation, Origin Electric Company, Limited. Active years: 1985-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Hayashi. Retrieved from https://idiyas.com/inventor/hiroaki-hayashi-vi94j9k8

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 = 4.4

ph-index = 3

Forward Citations = 50(Granted Patents)


Company Filing History:


Years Active: 1985-2014

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3 patents (USPTO):Explore Patents

Title: Innovations of Hiroaki Hayashi

Introduction

Hiroaki Hayashi is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of engineering, particularly in the development of methods for bonding metallic members and advancements in transfer case technology for vehicles. With a total of three patents to his name, Hayashi's work exemplifies innovation and practical application in automotive engineering.

Latest Patents

Hiroaki Hayashi's latest patents include a method of bonding metallic members and a transfer case for four-wheel drive vehicles. The bonding method involves abutting the outer diameter sections of a second metallic member against the inner diameter sections of a first metallic member. By energizing both members using electrodes while applying axial pressure, strong junctions are formed, ensuring high joint strength with reduced energy consumption. The transfer case patent describes a design for a four-wheel drive vehicle that integrates the first and second helical ring gears into a single unit, enhancing efficiency and performance.

Career Highlights

Throughout his career, Hayashi has worked with prominent companies such as Mazda Motor Corporation and Origin Electric Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in automotive technology.

Collaborations

Hiroaki Hayashi has collaborated with notable coworkers, including Hitoshi Akutagawa and Masayoshi Shigemasa. Their combined expertise has fostered an environment of innovation and creativity in their projects.

Conclusion

Hiroaki Hayashi's contributions to the field of engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in automotive technology and bonding methods.

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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