Yokohama, Japan

Yoshikazu Nagahara

This inventor holds 5 USPTO granted patents. Top assignee: Kabushiki Kaisha Komatsu Seisakusho. Active years: 1984-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshikazu Nagahara. Retrieved from https://idiyas.com/inventor/yoshikazu-nagahara

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 = 1.4

ph-index = 4

Forward Citations = 43(Granted Patents)


Company Filing History:


Years Active: 1984-1990

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5 patents (USPTO):Explore Patents

Title: Innovations of Yoshikazu Nagahara

Introduction

Yoshikazu Nagahara is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of hydraulic motors and pumps, holding a total of 5 patents. His work is characterized by innovative designs that enhance the efficiency and functionality of hydraulic systems.

Latest Patents

One of his latest patents is a variable displacement hydraulic motor. This motor is designed to be easily mounted on a power shovel without interfering with the truck frame or projecting outward. The hydraulic motor is notable for its ease of assembly and machining during manufacturing. Another significant patent is for an adjustable device for an axial piston pump/motor of a tilting axis type. This invention improves the known adjusting device by reducing its size and enhancing its functionality through a telescopic structure within the end cover.

Career Highlights

Yoshikazu Nagahara works at Kabushiki Kaisha Komatsu Seisakusho, a leading company in the manufacturing of construction and mining equipment. His innovative designs have contributed to the advancement of hydraulic technology in the industry.

Collaborations

He has collaborated with notable coworkers such as Nobuaki Inaba and Mitsuru Arai, further enhancing the innovative capabilities of their team.

Conclusion

Yoshikazu Nagahara's contributions to hydraulic technology through his patents reflect his dedication to innovation and engineering excellence. His work continues to influence the industry and improve the functionality of hydraulic systems.

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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