Osaka, Japan

Tsutomu Namie

This inventor holds 10 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Tsubakimoto Chain Company, Honda Motor Co., Ltd.. Active years: 2003-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Namie. Retrieved from https://idiyas.com/inventor/tsutomu-namie

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

USPTO Granted Patents = 10 

% Patents Active = 100.0


Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 52(Granted Patents)


Company Filing History:


Years Active: 2003-2023

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10 patents (USPTO):Explore Patents

Title: The Innovative Journey of Tsutomu Namie

Introduction

Tsutomu Namie, an inventive mind hailing from Osaka, Japan, has made significant contributions to the field of engineering with a focus on chain guide technologies. With a remarkable portfolio of 10 patents, Namie's innovations reflect his commitment to enhancing performance and durability in mechanical applications.

Latest Patents

Among his latest inventions, Namie has developed two groundbreaking chain guide designs aimed at reducing vibration and noise while ensuring optimal performance. The first patent introduces a chain guide that features a support wall extending from a boss part, meticulously designed to provide necessary strength, rigidity, and durability. Additionally, it includes advanced design elements such as a running surface-side rib that avoids contact with the boss part, significantly improving operational efficiency.

The second patent heralds a universal design chain guide, adaptable to various types of chains. This innovative guide includes a uniquely structured guide surface that allows for optimal contact position, track, and length with the running chain, thereby enhancing overall functionality. Both patents illustrate Namie's foresight in addressing common challenges in chain mechanisms.

Career Highlights

Tsutomu Namie has had a distinguished career, contributing to notable companies such as Tsubakimoto Chain Company and Honda Motor Co., Ltd. His work in these organizations has not only helped advance their product offerings but also cemented his reputation as a leading inventor in the field of mechanical engineering.

Collaborations

Throughout his career, Namie has collaborated with esteemed colleagues, including Hiroshi Hashimoto and Yoshio Kurokawa. These partnerships have played a pivotal role in fostering innovative ideas and furthering advancements in chain guide technology.

Conclusion

Tsutomu Namie's inventive spirit and dedication to improving mechanical systems make him a significant figure in the world of engineering. Through his innovative patents and collaborations with leading companies and professionals, he has undeniably contributed to the evolution of chain guide technologies, setting a standard for future innovations.

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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