Osaka, Japan

Toshihiko Miyazawa

This inventor holds 8 USPTO granted patents and 1 published patent application. Top assignee: Tsubakimoto Chain Company. Active years: 2009-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiko Miyazawa. Retrieved from https://idiyas.com/inventor/toshihiko-miyazawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 8 

% Patents Active = 75.0

Average Co-Inventor Count = 1.2

ph-index = 3

Forward Citations = 21(Granted Patents)


Company Filing History:


Years Active: 2009-2020

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8 patents (USPTO):Explore Patents

Title: Innovations of Toshihiko Miyazawa

Introduction

Toshihiko Miyazawa is a distinguished inventor located in Osaka, Japan, who has made significant contributions to the field of engineering with a total of 8 patents. His work primarily focuses on enhancing the efficiency and functionality of tensioners, showcasing his dedication to innovation and problem-solving.

Latest Patents

Miyazawa's most recent patents revolve around the design of tensioners intended to improve maintenance operations and production efficiency. One notable patent describes a tensioner that features a simple structure aimed at enhancing sealing performance and providing design flexibility for check valves. This tensioner includes a unique coil spring with both small and large diameter parts, strategically urging the check valve toward an oil supply passage to optimize performance.

Another influential patent introduces a tensioner designed with a compact structure to minimize installation space and reduce production costs. This innovation incorporates a plunger, housing, spring, and a sophisticated locking mechanism, which prevents the plunger from extending outward. The mechanism cleverly utilizes first and second locking members to ensure reliable operation, illustrating Miyazawa's keen understanding of engineering complexities.

Career Highlights

Miyazawa is currently affiliated with Tsubakimoto Chain Company, where he continues to develop innovative solutions in mechanical engineering. His contributions have led to advancements in the design and functionality of tensioning devices, impacting a variety of applications across industries. His reputation as a prolific inventor is well-recognized, making him a valuable asset to his organization.

Collaborations

Throughout his career, Miyazawa has collaborated with notable colleagues, including Toyonaga Saitoh and Yuta Kurono. These partnerships have allowed him to leverage combined expertise and create superior inventions, further enriching the engineering field and enhancing the impact of their collective work.

Conclusion

Toshihiko Miyazawa stands out as a prominent inventor whose latest patents and contributions to the engineering sector demonstrate a commitment to innovation. Through his work with Tsubakimoto Chain Company and collaborations with colleagues, he continues to pave the way for advancements in mechanical design, particularly in tensioner technology. His legacy of innovation serves as an inspiration for future inventors in the field.

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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