Sakai, Japan

Tsuyoshi Fukumori

This inventor holds 39 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Bicycle Transmission. Top assignees: Shimano Inc., Shimano (Singapore) Private Limited. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuyoshi Fukumori. Retrieved from https://idiyas.com/inventor/tsuyoshi-fukumori

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

Calculating rank
USPTO Granted Patents = 39 

% Patents Active = 97.4

 

Average Co-Inventor Count = 1.9

ph-index = 8

Forward Citations = 189(Granted Patents)


Location History:

  • Osaka, JP (2014 - 2023)
  • Sakai, JP (2016 - 2023)

Company Filing History:


Years Active: 2014-2025

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Areas of Expertise:
Bicycle Chain
Shifting System
Derailleur
Rear Sprocket
Transmission Control
Sprocket Assembly
Drive Train
Link Plates
Connecting Link
Chain Connecting Pin
Bicycle Sprocket
39 patents (USPTO):Explore Patents

Title: Innovations of Tsuyoshi Fukumori: A Pioneer in Shifting Systems

Introduction

Tsuyoshi Fukumori, a distinguished inventor located in Sakai, Japan, has made significant contributions to the field of human-powered vehicles. With an impressive portfolio of 38 patents, Fukumori stands out for his innovative designs and engineering solutions that enhance the functionality and performance of cycling technology.

Latest Patents

Among his latest patented inventions is a groundbreaking shifting system for human-powered vehicles. This state-of-the-art system includes a controller designed to receive data on driving torque and cadence from various sensors. The controller intelligently analyzes this information to determine the optimal timing for gear shifts, ensuring seamless transitions in line with permitted cadence ranges and torque thresholds. This innovation not only enhances the rider's experience but also promotes energy efficiency, making cycling more enjoyable and productive.

Career Highlights

Fukumori's career is notable for his work with prominent companies such as Shimano Inc. and Shimano (Singapore) Private Limited. These experiences have allowed him to hone his expertise in innovative cycling technologies and contribute to the development of collaborative efforts within the industry. His dedication to improving cycling systems has established him as a key figure in the realm of human-powered vehicles.

Collaborations

In his journey, Fukumori has collaborated with esteemed colleagues like Atsuhiro Emura and Toshinari Oishi. Together, they have worked on various projects aiming to push the boundaries of cycling technology and enhance the overall cycling experience. This collaborative spirit has significantly influenced the creation and refinement of innovative solutions in the industry.

Conclusion

Tsuyoshi Fukumori's contributions to the field of human-powered vehicles exemplify the spirit of innovation and dedication to enhancing efficiency and performance. With his extensive patent portfolio and collaborative efforts with industry professionals, Fukumori continues to inspire future generations of inventors and engineers seeking to make a mark in the world of cycling technology. His work not only advances engineering but also enriches the cycling community.

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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