Aichi, Japan

Hirofumi Hayashi

This inventor holds 5 USPTO granted patents. Top assignee: Kabushiki Kaisha Tokai Rika Denki Seisakusho. Active years: 2001-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Hayashi. Retrieved from https://idiyas.com/inventor/hirofumi-hayashi-wzpcba11

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


% Patents Active = 80.0

Average Co-Inventor Count = 1.2

ph-index = 4

Forward Citations = 24(Granted Patents)


Location History:

  • Aichi-ken, JP (2001)
  • Aichi, JP (2001 - 2004)

Company Filing History:


Years Active: 2001-2004

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5 patents (USPTO):Explore Patents

Title: Innovations by Hirofumi Hayashi

Introduction

Hirofumi Hayashi is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of engineering, particularly in the automotive sector. With a total of 5 patents to his name, Hayashi's work reflects a commitment to innovation and practical solutions.

Latest Patents

One of Hayashi's latest patents is focused on the structure of the connection between a steering roll connector and a steering wheel. This invention features an escape groove shaped like an end-closed annulus, which is strategically placed on the upper surface of a rotating case. The design ensures that the rotating case does not rotate until a convex portion of the steering wheel abuts against the circumferential end of the escape groove. This mechanism effectively reduces the movement of the rotating case and the flat cable, enhancing the overall functionality of the steering system.

Another significant patent is a switching device that incorporates a pivotally provided rod within a lever. This rod is divided into a small-diameter lower rod and a large-diameter upper rod. When the knob is pivotally moved, both rods operate in unison, allowing a movable contact to slide via the movement of a pusher. The design improves the rigidity of the upper rod, minimizing deflection caused by spring load. This innovation maintains a constant clearance between the lever and the knob, ensuring reliable operation.

Career Highlights

Hirofumi Hayashi is associated with Kabushiki Kaisha Tokai Rika Denki Seisakusho, a company known for its advancements in automotive technology. His work has not only contributed to the company's reputation but has also pushed the boundaries of engineering in the automotive industry.

Collaborations

Hayashi has collaborated with notable coworkers such as Shinji Maeda and Kazunori Ushiroda. Their combined expertise has fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.

Conclusion

Hirofumi Hayashi's contributions to the field of engineering, particularly through his patents, showcase his innovative spirit and dedication to improving automotive technology. His work continues to influence the industry and inspire future inventors.

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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