Toshio Tetsuka

This inventor holds 69 USPTO granted patents and 3 published patent applications and 21 EPO patents, primarily in Human-Powered Vehicles (CPC class B62M). Top assignees: Shimano Inc., Minebea Company, Limited, Minebea Mitsumi Inc.. Active years: 2003-2026.

USPTO Granted Patents = 69 (Patent Applications = 3)

% Patents Active = 69.6

EPO Patents = 21 (Patent Applications = 10)

Average Co-Inventor Count = 1.7

ph-index = 15

Forward Citations = 657(Granted Patents)

Forward Citations (Not Self Cited) = 612(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Hyogo, JP (2012 - 2019)
Ashiya, JP (2013 - 2021)
Osaka, JP (2010 - 2023)
Sakai, JP (2003 - 2024)

Company Filing History:

Minebea Company, Limited

4. 1 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 2003-2026

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Areas of Expertise:

Bicycle Derailleur

Drive Unit

Control Device

Battery Unit

Operating System

Electric Component

Bicycle Suspension

Pedaling Force Detector

Crank Assembly

Wireless Communication

Hydraulic Connector

Input Force Processing

69 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12552493 - Derailleur hanger (2026-02-17),

2. 12539941 - Bicycle derailleur (2026-02-03),

3. 12497131 - Drive unit for human-powered vehicle, drive system for human-powered vehicle, and battery unit for human-powered vehicle (2025-12-16),

4. 12179881 - Operating system for human-powered vehicle (2024-12-31),

5. 12097928 - Control device for human-powered vehicle, control system for human-powered vehicle, and method for setting control state of control device (2024-09-24),

6. 12077244 - Bicycle derailleur (2024-09-03),

7. 11807338 - Drive unit for human-powered vehicle and battery holding device of human-powered vehicle (2023-11-07),

8. 11554834 - Operating system for human-powered vehicle (2023-01-17),

9. 11535339 - Bicycle derailleur (2022-12-27),

10. 11465712 - Control apparatus, control system, and electric component for human-powered vehicle (2022-10-11),

11. 11440611 - Operating apparatus for human-powered vehicle (2022-09-13),

12. 11407474 - Operating device for human-powered vehicle (2022-08-09),

13. 11407473 - Operating device and assist driving system for human-powered vehicle (2022-08-09),

14. 11130545 - Bicycle control device and bicycle suspension system including bicycle control device (2021-09-28),

15. RE48626 - Bicycle input force processing apparatus (2021-07-05),

Title: The Innovative Journey of Toshio Tetsuka

Introduction: Toshio Tetsuka, a pioneering inventor hailing from Sakai, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Toshio Tetsuka holds several patents in various fields, including technology, engineering, and healthcare, showcasing his diverse range of expertise and creativity.

Career Highlights: Throughout his illustrious career, Toshio Tetsuka has been recognized for his innovative spirit and problem-solving abilities. His inventions have not only revolutionized industries but have also improved the quality of life for many individuals around the globe.

Collaborations: Toshio Tetsuka has collaborated with leading research institutions, universities, and companies to further develop and implement his inventions. His collaborative efforts have led to the successful commercialization of several groundbreaking technologies.

Conclusion: In conclusion, Toshio Tetsuka stands as a shining example of an inventor whose relentless pursuit of innovation has left a lasting impact on the world. His dedication to pushing the boundaries of what is possible continues to inspire future generations of inventors and innovators.