Aichi, Japan

Masashi Hiroshima

This inventor holds 2 USPTO granted patents. Top assignee: Toyota Boshoku Kabushiki Kaisha. Active years: 2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Hiroshima. Retrieved from https://idiyas.com/inventor/masashi-hiroshima

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 = 3.4

ph-index = 1


Company Filing History:


Years Active: 2023

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2 patents (USPTO):Explore Patents

Title: Masashi Hiroshima: Innovator in One-Way Couplings and Unidirectional Joints

Introduction

Masashi Hiroshima is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of one-way couplings and unidirectional joints. With a total of 2 patents to his name, Hiroshima's work showcases innovative solutions that enhance the functionality of mechanical systems.

Latest Patents

Hiroshima's latest patents include a one-way coupling and a unidirectional joint. The one-way coupling eliminates the need for a guide piece component, featuring an input shaft and an output shaft designed to transmit drive force while preventing reverse transmission. This coupling includes a transmitter, an immovable ring, a pressure-contact cam, and a first wedge member that transitions between locked and unlocked positions based on the input drive force.

The unidirectional joint, on the other hand, consists of a wedge member that interacts with an immovable ring's inner surface. It incorporates a first follower that displaces the wedge member to an unlocked position when a driving force is applied to the input side, and a second follower that locks the wedge member when force is applied to the output side.

Career Highlights

Masashi Hiroshima is currently employed at Toyota Boshoku Kabushiki Kaisha, where he continues to innovate and develop new technologies. His work at this prestigious company has allowed him to contribute to advancements in automotive components and systems.

Collaborations

Hiroshima collaborates with talented coworkers, including Wataru Sakaguchi and Yasuaki Suzuki. Their combined expertise fosters a creative environment that drives innovation and enhances the quality of their projects.

Conclusion

Masashi Hiroshima's contributions to the field of mechanical engineering through his patents on one-way couplings and unidirectional joints demonstrate his commitment to innovation. His work at Toyota Boshoku Kabushiki Kaisha and collaborations with skilled colleagues further highlight his impact on the industry.

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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