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For the Inventor, By the Inventor

Sakai, Japan

Koji Yuasa

This inventor holds 13 USPTO granted patents and 1 published patent application. Top assignee: Shimano Inc.. Active years: 2016-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Yuasa. Retrieved from https://idiyas.com/inventor/koji-yuasa-busj7w4t

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

Calculating rank
USPTO Granted Patents = 13 

% Patents Active = 92.3

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 42(Granted Patents)


Location History:

  • Osaka, JP (2016 - 2023)
  • Sakai, JP (2017 - 2023)

Company Filing History:

goldMedal13 out of 3,373 
 
Shimano Inc.
 patents

Years Active: 2016-2026

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13 patents (USPTO):Explore Patents
1. 12528554 - Electronic device and system for wireless control in view of tire pressure (2026-01-20),
2. 12454332 - Control system and control device for human-powered vehicle (2025-10-28),
3. 12448083 - Control device and control system for human-powered vehicle (2025-10-21),
4. 12337919 - Human-powered vehicle control device (2025-06-24),
5. 11767080 - Rear sprocket assembly (2023-09-26),
6. 11753108 - Human-powered vehicle control device (2023-09-12),
7. 11305837 - Bicycle rear sprocket assembly (2022-04-19),
8. 11203395 - Bicycle sprocket and bicycle sprocket assembly (2021-12-21),
9. 10919339 - Bicycle hub assembly and bicycle drive train assembly (2021-02-16),
10. 10525768 - Bicycle hub assembly (2020-01-07),
11. 10352397 - Bicycle chain (2019-07-16),
12. 9631714 - Bicycle sprocket and bicycle crank assembly (2017-04-25),
13. 9428247 - Control device (2016-08-30),

Title: The Innovative Contributions of Koji Yuasa

Introduction

Koji Yuasa is a prominent inventor based in Sakai, Japan, known for his significant contributions to the field of human-powered vehicle technology. With a total of 10 patents to his name, Yuasa has made remarkable advancements that enhance the functionality and performance of such vehicles.

Latest Patents

Among his latest inventions is the human-powered vehicle control device. This device is designed to automatically control a suspension system and an adjustable seatpost, ensuring optimal performance based on the vehicle's inclined state. It utilizes an electronic controller that detects changes in tire pressure to make necessary adjustments. Another notable patent is the rear sprocket assembly, which features a unique lock device that includes multiple lock members and a biasing member. This assembly is engineered to improve the efficiency and reliability of the vehicle's drivetrain.

Career Highlights

Yuasa's career is marked by his association with Shimano Inc., a leading company in the cycling industry. His work at Shimano has allowed him to focus on innovative solutions that cater to the needs of cyclists and enhance their riding experience.

Collaborations

Throughout his career, Yuasa has collaborated with talented individuals such as Takehiko Nakajima and Etsuyoshi Watarai. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the cycling sector.

Conclusion

Koji Yuasa's contributions to the field of human-powered vehicles exemplify the spirit of innovation. His patents not only reflect his expertise but also his commitment to improving cycling technology for enthusiasts around the world.

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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