Yokohama, Japan

Shigeki Takeshima

This inventor holds 5 USPTO granted patents. Top assignees: Nippon Oil Corporation, Nissan Motor Company Limited, Other. Active years: 2005-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeki Takeshima. Retrieved from https://idiyas.com/inventor/shigeki-takeshima-pln6okrp

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 = 5.7

ph-index = 3

Forward Citations = 38(Granted Patents)


Company Filing History:


Years Active: 2005-2012

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5 patents (USPTO):Explore Patents

Title: Shigeki Takeshima: Innovator in Low-Friction Technologies

Introduction

Shigeki Takeshima is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of low-friction technologies, holding a total of 5 patents. His work focuses on enhancing the performance of sliding mechanisms through innovative materials and compositions.

Latest Patents

Takeshima's latest patents include a low-friction sliding mechanism, a low-friction agent composition, and a method of friction reduction. These inventions provide exceptional low-friction characteristics for sliding surfaces in various applications. Notably, his low-friction sliding mechanism utilizes an oxygen-containing organic compound or an aliphatic amine compound between sliding surfaces formed by a diamond-like carbon (DLC) coated sliding member and another sliding member. The low-friction agent composition also contains these compounds, while the friction reduction method involves supplying this composition between the sliding surfaces. His manual transmission and final reduction gear unit designs incorporate DLC coated sliding sections to achieve superior performance.

Career Highlights

Throughout his career, Shigeki Takeshima has worked with notable companies such as Nippon Oil Corporation and Nissan Motor Company Limited. His experience in these organizations has allowed him to develop and refine his innovative technologies, contributing to advancements in automotive and mechanical engineering.

Collaborations

Takeshima has collaborated with esteemed colleagues, including Shozaburo Konishi and Makoto Kano. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in low-friction applications.

Conclusion

Shigeki Takeshima's contributions to low-friction technologies have positioned him as a key figure in the field. His innovative patents and collaborations reflect his commitment to advancing engineering solutions that enhance performance and efficiency.

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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