Toyota, Japan

Eiji Sugiyama

This inventor holds 2 USPTO granted patents. Top assignees: Taiho Kogyo Co., Ltd., Koyo Seiko Company, Ltd.. Active years: 1993-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Sugiyama. Retrieved from https://idiyas.com/inventor/eiji-sugiyama-5on6k2st

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 = 3.2

ph-index = 2

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1993-1996

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2 patents (USPTO):Explore Patents

Title: Eiji Sugiyama: Innovator in Automotive Technology

Introduction

Eiji Sugiyama is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of automotive technology, particularly in the development of components for automatic transmissions. With a total of 2 patents to his name, Sugiyama's work reflects a commitment to innovation and engineering excellence.

Latest Patents

One of Sugiyama's latest patents is for an end bearing for a one-way clutch. This end bearing is designed for use in automatic transmissions and features a body made from a steel plate. The design includes a hard coating applied to the surface of the body, along with a soft coating on top of the hard coating. This combination enhances the rigidity of the bearing while improving its anti-seizing resistance and durability. Another significant patent involves a boronized sliding material and the method for producing it. This innovation reduces the porosity of the surface of a ferrous sintered material during the boronizing process, while maintaining the integrity of the material's interior.

Career Highlights

Throughout his career, Eiji Sugiyama has worked with prominent companies in the automotive industry, including Taiho Kogyo Co., Ltd. and Koyo Seiko Company, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Sugiyama has collaborated with several talented individuals in his field, including Motoshi Hayashi and Eichi Sato. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Eiji Sugiyama's contributions to automotive technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, showcasing the importance of innovation in engineering.

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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