Osaka, Japan

Kosuke Fujishima

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Tsubakimoto Chain Company. Active years: 2019-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kosuke Fujishima. Retrieved from https://idiyas.com/inventor/kosuke-fujishima

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2019-2022

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2 patents (USPTO):Explore Patents

Title: Innovations of Kosuke Fujishima

Introduction

Kosuke Fujishima is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of chain power transmission mechanisms. With a total of 2 patents, his work focuses on enhancing the efficiency and reducing the noise of chain systems.

Latest Patents

Fujishima's latest patents include a chain power transmission mechanism and a silent chain. The chain power transmission mechanism features a simple configuration that is easy to manufacture while effectively reducing noise throughout the entire system. The silent chain consists of link plates designed for both inner-flank and outer-flank engagement with sprockets. This innovative arrangement allows for synchronized engagement and disengagement, improving overall performance.

Another significant patent is the chain drive mechanism, which boasts a simple structure that can minimize noise levels regardless of chain length or RPM. This mechanism addresses tension fluctuations, thereby reducing noise and vibration while maintaining durability and service life. The engagement modes between the silent chain and the driving sprocket are carefully designed to optimize performance.

Career Highlights

Fujishima is currently employed at Tsubakimoto Chain Company, where he continues to develop innovative solutions in chain technology. His work has garnered attention for its practical applications and effectiveness in real-world scenarios.

Collaborations

Throughout his career, Fujishima has collaborated with notable colleagues such as Toshifumi Sato and Takeo Sasaki. These partnerships have contributed to the advancement of chain technology and the successful development of his patents.

Conclusion

Kosuke Fujishima's contributions to chain power transmission mechanisms and silent chains highlight his innovative spirit and dedication to improving engineering solutions. His patents reflect a commitment to reducing noise and enhancing performance in mechanical systems.

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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