Tokyo, Japan

Yoshitsugu Iijima

This inventor holds 5 USPTO granted patents and 3 EPO patents. Top assignee: Jfe Steel Corporation. Active years: 2005-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshitsugu Iijima. Retrieved from https://idiyas.com/inventor/yoshitsugu-iijima

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


% Patents Active = 80.0

 

Average Co-Inventor Count = 4.8

ph-index = 2

Forward Citations = 8(Granted Patents)


Location History:

  • Kawasaki, JP (2005 - 2010)
  • Tokyo, JP (2017 - 2020)

Company Filing History:


Years Active: 2005-2020

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5 patents (USPTO):Explore Patents

Title: Innovations of Yoshitsugu Iijima

Introduction

Yoshitsugu Iijima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of material science and engineering, particularly in the manufacturing processes of steel products. With a total of 5 patents to his name, Iijima's work has had a substantial impact on the industry.

Latest Patents

Iijima's latest patents include a material property value estimating method and device, as well as a steel-strip manufacturing method. The material-property-value estimating method is designed to estimate the material-property-value of a target steel-strip product during its manufacturing process. This method involves measuring the temperature and chemical composition of the target material as it is conveyed along a route. Additionally, his cooling method and apparatus for hot-rolled steel strips regulate the cooling water in a two-stage manner, effectively cooling the lower surface of the steel strip.

Career Highlights

Yoshitsugu Iijima is currently employed at JFE Steel Corporation, where he continues to innovate and develop new technologies in steel manufacturing. His expertise in material properties and manufacturing processes has positioned him as a key figure in the industry.

Collaborations

Iijima has collaborated with notable colleagues, including Hiroshi Mizuno and Hiroshi Sekine, to advance research and development in their field. Their combined efforts have led to significant advancements in steel manufacturing techniques.

Conclusion

Yoshitsugu Iijima's contributions to the field of material science and engineering are noteworthy. His innovative patents and collaborative efforts continue to shape the future of steel manufacturing.

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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