Yokohama, Japan

Kazuo Hirai

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Nissan Motor Company Limited. Active years: 1980-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Hirai. Retrieved from https://idiyas.com/inventor/kazuo-hirai-tc8syn9s

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 = 3.3

ph-index = 3

Forward Citations = 39(Granted Patents)


Location History:

  • Tokyo, JP (1980)
  • Yokohama, JP (1993 - 2006)

Company Filing History:


Years Active: 1980-2006

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3 patents (USPTO):Explore Patents

Title: Kazuo Hirai: Innovator in Robotics and Vehicle Technology

Introduction

Kazuo Hirai is a prominent inventor based in Yokohama, Japan. He holds three patents that showcase his innovative contributions to robotics and vehicle technology. His work has significantly impacted the efficiency and functionality of various systems.

Latest Patents

One of Hirai's latest patents is related to a biped robot. This invention defines the height from the floor surface contact ends of leg linkages to shoulder joints when the biped robot is in an upright posture. The height is set within a specific range based on an averaged value obtained from a group of objects, improving operating efficiency in existing spaces. Another notable patent is for a vehicle equipment position control system. This system allows the vehicle seat and steering wheel to shift positions based on the state of the ignition key and door status, enhancing user convenience and safety.

Career Highlights

Hirai has worked with notable companies such as Honda and Nissan. His experience in these leading automotive companies has contributed to his expertise in vehicle technology and robotics. His innovative mindset has led to advancements that benefit both industries.

Collaborations

Hirai has collaborated with talented individuals in his field, including Toru Futami and Shigeki Tezuka. These partnerships have fostered creativity and innovation in his projects.

Conclusion

Kazuo Hirai's contributions to robotics and vehicle technology demonstrate his commitment to innovation. His patents reflect a deep understanding of user needs and technological advancements. His work continues to influence the future of these industries.

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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