Yokohama, Japan

Hiroshi Hayakawa

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Nippon Steel Corporation. Active years: 1977-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Hayakawa. Retrieved from https://idiyas.com/inventor/hiroshi-hayakawa-38ed3tzw

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Yokohama, JA (1977)
  • Kitakyusyu, JP (1983)

Company Filing History:


Years Active: 1977-1983

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2 patents (USPTO):Explore Patents

Title: Innovations of Hiroshi Hayakawa

Introduction

Hiroshi Hayakawa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced steel products. With a total of 2 patents, his work has had a considerable impact on the industry.

Latest Patents

Hiroshi Hayakawa's latest patents include a process for producing deep-drawing cold rolled steel strips. This innovative process involves hot rolling a low carbon steel slab into a steel strip, followed by cold rolling and a series of precise heating and cooling steps to achieve excellent workability. His second patent focuses on an isotropic and high-strength high silicon steel sheet. This steel sheet is characterized by its high ductility and toughness in all directions, making it suitable for various applications.

Career Highlights

Hiroshi Hayakawa is currently employed at Nippon Steel Corporation, where he continues to advance his research and development efforts. His expertise in steel production processes has positioned him as a key figure in the industry.

Collaborations

Hiroshi has collaborated with several esteemed colleagues, including Satohiro Hayami and Tadatzugu Yabuta. Their combined efforts have contributed to the success of various projects within the company.

Conclusion

Hiroshi Hayakawa's innovative work in steel production has led to significant advancements in material properties and applications. His contributions continue to shape the future of the steel industry.

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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