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For the Inventor, By the Inventor

Izumisano, Japan

Masahiro Yamanaka

This inventor holds 50 USPTO granted patents and 14 EPO patents, primarily in Bicycle Technology (CPC class 7459). Top assignee: Shimano Inc.. Active years: 1998-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Yamanaka. Retrieved from https://idiyas.com/inventor/masahiro-yamanaka

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

USPTO Granted Patents = 50

% Patents Active = 60.0

 

Average Co-Inventor Count = 1.4

ph-index = 13

Forward Citations = 559(Granted Patents)

Forward Citations (Not Self Cited) = 498(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Izumisano, JP (1998 - 2010)
  • Izumiotsu, JP (2013)
  • Osaka, JP (1999 - 2016)
  • Sakai, JP (2010 - 2022)

Company Filing History:

goldMedal50 out of 3,369 
 
Shimano Inc.
 patents

Years Active: 1998-2022

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Areas of Expertise:
Bicycle Crank Assembly
Bicycle Bottom Bracket
Crank Arm
Drive Mechanism
Bicycle Axle
Bicycle Chainring
Bicycle Hub
Composite Components
Manufacturing Methods
Rotation Detection
Seal Assembly
50 patents (USPTO):Explore Patents
1. 11505277 - Crank arm for crank assembly of human powered vehicle (2022-11-22),
2. 10336401 - Bicycle crank assembly (2019-07-02),
3. 9487266 - Bicycle crank axle assembly (2016-11-08),
4. 9475545 - Bicycle crank arm and bicycle crank assembly (2016-10-25),
5. 9365261 - Composite bicycle component, composite bicycle crank arm, and method for manufacturing composite bicycle component (2016-06-14),
6. 9359042 - Bicycle crank assembly (2016-06-07),
7. 8955410 - Bicycle crank assembly (2015-02-17),
8. 8721187 - Bicycle axle assembly (2014-05-13),
9. 8677859 - Bicycle crank axle assembly (2014-03-25),
10. 8616085 - Bicycle crank assembly (2013-12-31),
11. 8438947 - Bicycle crank arm (2013-05-14),
12. 8375827 - Bicycle crank assembly (2013-02-19),
13. 8267417 - Bicycle bottom bracket assembly (2012-09-18),
14. 8246064 - Bicycle crank assembly (2012-08-21),
15. 7856903 - Bicycle crank axle with a radial projection (2010-12-28),

Title: The Innovative Journey of Masahiro Yamanaka

Introduction: Masahiro Yamanaka, a talented inventor hailing from Izumisano, Japan, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Masahiro Yamanaka holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse range of expertise and creativity.

Career Highlights: With a career spanning over two decades, Masahiro Yamanaka has worked for leading tech companies, where he spearheaded research and development projects that have led to the creation of cutting-edge products and solutions.

Collaborations: Throughout his career, Masahiro Yamanaka has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge sharing that has propelled his work to new heights.

Conclusion: Masahiro Yamanaka's relentless pursuit of innovation and his passion for pushing the boundaries of technology make him a true pioneer in the field of inventions, inspiring the next generation of inventors to dream big and create the impossible.

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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