Tokyo, Japan

Eisaku Sakurada

This inventor holds 35 USPTO granted patents and 8 published patent applications, plus 2 CIPO patents and 15 EPO patents, primarily in High-Strength Steel. Top assignees: Nippon Steel Corporation, Nippon Steel Sumitomo Metal Corporation, Nippon Steel & Sumitomo Metal Corporatin. Active years: 2015-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eisaku Sakurada. Retrieved from https://idiyas.com/inventor/eisaku-sakurada

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

USPTO Granted Patents = 35 

% Patents Active = 82.9

 

 

Average Co-Inventor Count = 3.8

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Tokai, JP (2019 - 2020)
  • Tokyo, JP (2015 - 2024)

Company Filing History:


Years Active: 2015-2026

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Areas of Expertise:
High-Strength Steel
Hot-Rolled Steel
Nitriding Processes
Steel Sheet
Manufacturing Methods
Cold-Rolled Steel
Galvanized Steel
Formability
Toughness
Weldability
Fatigue Strength
Dual Phase Steel
35 patents (USPTO):Explore Patents

Title: Eisaku Sakurada: Innovator in High-Strength Steel Technology

Introduction

Eisaku Sakurada is a renowned inventor based in Tokyo, Japan, with an impressive portfolio of 27 patents to his name. His contributions to the field of materials science, particularly in high-strength steel technology, have significantly influenced various industrial applications.

Latest Patents

Sakurada's most recent innovations include a hot-rolled steel sheet characterized by a specific chemical composition and a microstructure that consists of over 80% tempered martensite. This innovative sheet also contains minute precipitates that enhance its structural integrity. Another significant patent relates to a high-strength steel sheet that also features a microstructure with 80% tempered martensite along with specific hardness ratios, yielding tensile strengths of up to 1,180 MPa. Both of these patents underscore Sakurada's expertise in developing advanced materials with superior properties.

Career Highlights

Throughout his career, Sakurada has held key positions in prominent organizations, including Nippon Steel Corporation and Nippon Steel & Sumitomo Metal Corporation. His work in these companies has allowed him to contribute extensively to the advancement of steel technologies, making a lasting impact on the industry.

Collaborations

Eisaku Sakurada has collaborated with notable peers, such as Kunio Hayashi and Tatsuo Yokoi. These partnerships have fostered innovation and creativity in their work, leading to the successful development of various patented technologies.

Conclusion

Eisaku Sakurada stands out as a significant figure in the realm of steel innovation. His extensive research and numerous patents reflect his dedication to enhancing material performance, particularly in high-strength steel applications. As the industry continues to evolve, Sakurada's inventions will undoubtedly remain instrumental in shaping future developments.

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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