Amagasaki, Japan

Yuiko Sakayama

This inventor holds 4 USPTO granted patents and 4 published patent applications and 2 EPO patents. Top assignees: Nippon Steel Sumitomo Metal Corporation, Central Japan Railway Company, Nippon Steel Corporation. Active years: 2015-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuiko Sakayama. Retrieved from https://idiyas.com/inventor/yuiko-sakayama

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

USPTO Granted Patents = 4 

% Patents Active = 50.0

 

Average Co-Inventor Count = 4.5

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Amagasaki, JP (2019)
  • Tokyo, JP (2015 - 2024)

Company Filing History:


Years Active: 2015-2024

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Yuiko Sakayama

Introduction

Yuiko Sakayama is a prominent inventor based in Amagasaki, Japan. She has made significant contributions to the field of railway technology, holding a total of four patents. Her work focuses on enhancing the safety and efficiency of railway vehicles.

Latest Patents

One of her latest patents is a brake lining for railway vehicles. This innovative brake lining includes a mounting plate, sliding members, and elastic members. The sliding members are arranged in both the transverse and longitudinal directions of the mounting plate, forming rows that enhance braking performance. The elastic members correspond with the sliding members, ensuring optimal functionality. Another notable patent is for a railway wheel with a brake disc. This design features a wheel with a plate portion and a brake disc that includes a circular plate portion with a sliding surface. The brake disc is designed with fin portions that improve the braking mechanism, ensuring safety and reliability.

Career Highlights

Yuiko Sakayama has worked with notable companies such as Nippon Steel & Sumitomo Metal Corporation and Central Japan Railway Company. Her experience in these organizations has allowed her to develop and refine her innovative ideas in railway technology.

Collaborations

Throughout her career, Yuiko has collaborated with talented individuals, including Atsushi Sakaguchi and Takahiro Fujimoto. These collaborations have contributed to her success and the advancement of her inventions.

Conclusion

Yuiko Sakayama's contributions to railway technology through her patents demonstrate her innovative spirit and dedication to improving safety and efficiency in the industry. Her work continues to influence the field and inspire future advancements.

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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