Sakai, Japan

Hiroshi Nagai

This inventor holds 1 USPTO granted patent. Top assignee: Kubota Corporation. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Nagai. Retrieved from https://idiyas.com/inventor/hiroshi-nagai-16c309o0

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 = 4.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1980

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1 patent (USPTO):Explore Patents

Title: Hiroshi Nagai: Innovator in Agricultural Technology

Introduction

Hiroshi Nagai is a notable inventor based in Sakai, Japan. He has made significant contributions to agricultural technology, particularly in the design of travel speed change apparatuses for farm vehicles. His innovative approach has streamlined operations in the agricultural sector.

Latest Patents

Hiroshi Nagai holds a patent for a travel speed change apparatus for a farm vehicle. This invention features a first speed change mechanism and a second speed change mechanism that work together to alter the traveling speed. Notably, both mechanisms can be operated using a single hand lever, which can be moved in two different directions. This design simplifies the operation by allowing the user to actuate both mechanisms with a single motion.

Career Highlights

Hiroshi Nagai is currently employed at Kubota Corporation, a leading company in agricultural machinery. His work focuses on enhancing the efficiency and functionality of farm vehicles, contributing to advancements in agricultural practices.

Collaborations

Hiroshi has collaborated with notable coworkers, including Tetsuaki Hayashi and Mikio Kinoshita. Their combined expertise has fostered innovation and development within their projects.

Conclusion

Hiroshi Nagai's contributions to agricultural technology through his innovative patent demonstrate his commitment to improving farm vehicle operations. His work continues to influence the agricultural industry positively.

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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