Sakai, Japan

Masayoshi Miyahara

This inventor holds 5 USPTO granted patents. Top assignee: Kubota Corporation. Active years: 1981-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayoshi Miyahara. Retrieved from https://idiyas.com/inventor/masayoshi-miyahara

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 = 2.6

ph-index = 5

Forward Citations = 55(Granted Patents)


Company Filing History:


Years Active: 1981-1989

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5 patents (USPTO):Explore Patents

Title: Masayoshi Miyahara: Innovator in Tractor Transmission Technology

Introduction

Masayoshi Miyahara is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of agricultural machinery, particularly in tractor transmission systems. With a total of 5 patents to his name, Miyahara's work has had a lasting impact on the efficiency and functionality of tractors.

Latest Patents

Miyahara's latest patents include innovative designs for tractor transmissions. One of his key inventions is a transmission for a tractor that features a power takeoff line change speed gear mechanism, propelling line change speed gear mechanisms, and a backward and forward drive switching mechanism. This design incorporates a main change speed mechanism, an auxiliary change speed mechanism, and a front wheel change speed mechanism. The arrangement of these components is strategically designed to enhance the performance of the tractor. Another significant patent is the PTO-driving of a double-clutch-incorporated type transmission. This invention is characterized by a first gearing mechanism that interlocks with a PTO main shaft and a second gearing mechanism that interlocks with a running-travel main shaft. The coupling means allows for selective drivability between these gearing mechanisms and the PTO transmission shaft.

Career Highlights

Miyahara is currently employed at Kubota Corporation, a leading company in agricultural machinery. His work at Kubota has allowed him to develop and refine his innovative ideas, contributing to the company's reputation for quality and reliability in tractor technology.

Collaborations

Throughout his career, Miyahara has collaborated with talented individuals such as Morimitsu Katayama and Masao Takagi. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the field of tractor transmissions.

Conclusion

Masayoshi Miyahara's contributions to tractor transmission technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of mechanical engineering and a commitment to improving agricultural machinery. His work continues to influence the industry and enhance the efficiency of farming practices.

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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