Fujisawa, Japan

Hitoshi Akiyama

This inventor holds 5 USPTO granted patents, plus 2 CIPO patents. Top assignee: Bridgestone Corporation. Active years: 1988-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Akiyama. Retrieved from https://idiyas.com/inventor/hitoshi-akiyama-9s02wrld

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 = 1.7

ph-index = 4

Forward Citations = 31(Granted Patents)


Location History:

  • Zushi, JP (1988 - 1989)
  • Fujisawa, JP (1998 - 2009)

Company Filing History:


Years Active: 1988-2009

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5 patents (USPTO):Explore Patents

Title: Hitoshi Akiyama: Innovator in Rubber Crawler Technology

Introduction

Hitoshi Akiyama is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of rubber crawler technology, holding a total of 5 patents. His work has been instrumental in advancing the design and functionality of rubber crawlers used in various applications.

Latest Patents

Akiyama's latest patents include innovative designs for rubber crawler running devices. One of his notable inventions is a rubber crawler running device that features a drive wheel connected to a drive shaft of a vehicle body, an idler wheel, and a rubber crawler with rubber projections formed on its inner peripheral surface. This design ensures that the drive wheel and idler wheel are disposed horizontally, allowing the rubber crawler to effectively contact the running surface. The drive wheel is uniquely designed with engaging teeth that interact with the rubber projections, enhancing the device's performance.

Another significant patent is for a core-less rubber crawler that includes a guide protrusion extending from the internal surface of the rubber main body. This design minimizes ground contacting repulsive forces, thereby reducing the shearing force near the guide protrusion's base. These innovations reflect Akiyama's commitment to improving the efficiency and functionality of rubber crawlers.

Career Highlights

Hitoshi Akiyama has dedicated his career to the development of advanced rubber technologies. He is currently associated with Bridgestone Corporation, a leading company in the tire and rubber industry. His expertise and innovative spirit have led to the creation of several patents that enhance the performance of rubber products.

Collaborations

Akiyama has collaborated with notable colleagues, including Nobuo Murota and Shingo Sugihara. Their combined efforts have contributed to the successful development of innovative rubber technologies.

Conclusion

Hitoshi Akiyama's contributions to rubber crawler technology have made a significant impact in the industry. His innovative patents and collaborations reflect his dedication to advancing this field. Akiyama continues to be a key figure in the development of efficient rubber solutions.

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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