Tokyo, Japan

Hiroyuki Kawata

This inventor holds 71 USPTO granted patents and 7 published patent applications, plus 13 CIPO patents and 41 EPO patents, primarily in Steel Sheet Manufacturing (CPC class C22C). Top assignees: Nippon Steel Corporation, Nippon Steel Sumitomo Metal Corporation, Renesas Technology Corp.. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Kawata. Retrieved from https://idiyas.com/inventor/hiroyuki-kawata

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

USPTO Granted Patents = 71 

% Patents Active = 93.0

 

 

Average Co-Inventor Count = 4.9

ph-index = 7

Forward Citations = 125(Granted Patents)

Forward Citations (Not Self Cited) = 100(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hyogo, JP (2003)
  • Nagano, JP (2006 - 2009)
  • Kisarazu, JP (2018 - 2020)
  • Tokyo, JP (2003 - 2024)

Company Filing History:


Years Active: 2003-2026

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Areas of Expertise:
Steel Sheet
Galvanized Steel
High-Strength Steel
Manufacturing Method
Hot Dip Galvanized
Frame Member
Metal Coated Steel
Spot Welding
Cold-Rolled Steel
Galvannealed Steel
Weldability
Formability
71 patents (USPTO):Explore Patents

Title: Exploring the Innovations of Inventor Hiroyuki Kawata

Introduction:

Hiroyuki Kawata, a prolific inventor based in Tokyo, Japan, has made significant contributions to the field of material science and engineering. With an impressive portfolio of 60 patents, Kawata's groundbreaking work has paved the way for advancements in steel manufacturing processes.

Latest Patents:

Among his latest patents, Hiroyuki Kawata introduced innovative techniques in the production of steel sheets. One notable patent focuses on a steel sheet with specific chemical composition criteria, aimed at enhancing its structural properties and durability. Another patent revolves around the production of hot dip galvanized steel sheets, optimizing the material's composition for superior performance in various applications.

Career Highlights:

Having worked at esteemed companies such as Nippon Steel Corporation and Nippon Steel & Sumitomo Metal Corporation, Hiroyuki Kawata gained invaluable experience in the steel industry. His expertise and dedication to innovation have been instrumental in driving advancements in steel manufacturing technologies.

Collaborations:

Throughout his career, Hiroyuki Kawata has collaborated with talented individuals in the field, including Naoki Maruyama and Yuji Yamaguchi. These collaborations have led to the development of novel solutions and technologies that have had a lasting impact on the industry.

Conclusion:

In conclusion, Hiroyuki Kawata's remarkable achievements in the realm of steel manufacturing underscore his ingenuity and commitment to excellence. His innovative patents and collaborative efforts have solidified his reputation as a visionary inventor, shaping the future of material science.

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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