Kazuhiro Fujii

This inventor holds 84 USPTO granted patents and 1 published patent application and 21 EPO patents, primarily in Bicycle Control Systems (CPC class B62M25-08). Top assignee: Shimano Inc.. Active years: 1998-2026.

USPTO Granted Patents = 84 (Patent Applications = 1)

% Patents Active = 72.6

EPO Patents = 21 (Patent Applications = 3)

Average Co-Inventor Count = 1.9

ph-index = 19

Forward Citations = 1,094(Granted Patents)

Forward Citations (Not Self Cited) = 1,029(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Kawachinagano, JP (2000 - 2015)
Sakai, JP (1998 - 2019)
Osaka, JP (2003 - 2021)

Company Filing History:

84 out of 3,368

Shimano Inc.

patents

Years Active: 1998-2026

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Areas of Expertise:

Bicycle Controller

Electric Shifter

Drive Unit

Control Device

Derailleur

Bicycle Display

Power Supply

Electric Wiring

Bicycle Shift Control

Magnetism Generation

Gear Changing

Bicycle Components

84 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12722736 - Operating device for human-powered vehicle and human-powered vehicle (2026-09-01),

2. 12397877 - Component and communication system (2025-08-26),

3. 12330745 - Communication system and control system (2025-06-17),

4. 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),

5. 11091226 - Bicycle controller and bicycle control system including bicycle controller (2021-08-17),

6. 11059543 - Bicycle drive unit and bicycle drive system including bicycle drive unit (2021-07-13),

7. 10836453 - Bicycle controller and bicycle control system including bicycle controller (2020-11-17),

8. 10717494 - Bicycle magnetism generation device and disc brake adapter (2020-07-21),

9. 10597106 - Bicycle display device (2020-03-24),

10. 10421519 - Bicycle controller (2019-09-24),

11. RE47492 - Bicycle control device for controlling an electric device (2019-07-08),

12. 10227106 - Bicycle controller and bicycle drive device (2019-03-12),

13. 10086907 - Bicycle electrical component (2018-10-02),

14. 10065706 - Bicycle component fixing structure and bicycle component assembly (2018-09-04),

15. 9815522 - Bicycle shifting apparatus (2017-11-14),

Title: The Innovative Journey of Kazuhiro Fujii

Introduction:

Kazuhiro Fujii, a pioneering inventor hailing from Kawachinagano, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents:

Kazuhiro Fujii's latest patents showcase his continuous dedication to pushing the boundaries of technology and creativity, with a focus on improving everyday life through his inventions.

Career Highlights:

Throughout his illustrious career, Kazuhiro Fujii has demonstrated a remarkable ability to transform ideas into tangible inventions that have the potential to revolutionize various industries. His innovative spirit and relentless pursuit of excellence have earned him recognition as a trailblazer in the field of inventions.

Collaborations:

Kazuhiro Fujii has collaborated with leading experts and organizations in the industry, leveraging his expertise and knowledge to create cutting-edge solutions that address complex challenges. His collaborative efforts have resulted in the development of innovative products that have garnered acclaim worldwide.

Conclusion:

In conclusion, Kazuhiro Fujii's passion for innovation and his unwavering commitment to excellence have established him as a visionary inventor whose impact resonates far and wide. His remarkable journey continues to inspire aspiring inventors and shape the future of technological advancements.