Sakai, Japan

Kouji Tokuyama

This inventor holds 1 USPTO granted patent. Top assignee: Shimano Inc.. Active years: 2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Tokuyama. Retrieved from https://idiyas.com/inventor/kouji-tokuyama

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 = 4.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2015

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1 patent (USPTO):Explore Patents

Title: Kouji Tokuyama: Innovator in Bicycle Technology

Introduction

Kouji Tokuyama is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of bicycle technology, particularly with his innovative designs that enhance performance and functionality. His work is recognized within the industry, and he is associated with Shimano Inc., a leading company in bicycle components.

Latest Patents

Kouji Tokuyama holds a patent for a bicycle sprocket support assembly. This assembly features a sprocket support body that is tubular in shape, with an exterior surface and an interior surface arranged around a center longitudinal axis. The design includes a first sprocket support member that is integrated with the exterior surface of the sprocket support body as a one-piece, unitary member. This member projects radially from the exterior surface, allowing for the attachment of first and second sprockets, which are fixed to the support member by at least one fastener. The sprockets are supported at axially spaced apart locations along the center longitudinal axis of the sprocket support body. This innovative design improves the overall efficiency and reliability of bicycle sprocket systems.

Career Highlights

Throughout his career, Kouji Tokuyama has focused on developing advanced bicycle components that cater to the needs of cyclists. His work at Shimano Inc. has allowed him to collaborate with other talented engineers and designers in the industry. His dedication to innovation has led to the creation of products that enhance the cycling experience for users around the world.

Collaborations

Kouji has worked alongside notable colleagues such as Takanori Kanehisa and Yoshimitsu Miki. Their combined expertise has contributed to the development of cutting-edge bicycle technologies that continue to push the boundaries of what is possible in cycling.

Conclusion

Kouji Tokuyama's contributions to bicycle technology through his innovative designs and patents have made a lasting impact on the industry. His work exemplifies the spirit of innovation that drives advancements in cycling.

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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