Futtsu, Japan

Toshimi Tarui

This inventor holds 12 USPTO granted patents and 5 published patent applications and 7 EPO patents. Top assignees: Nippon Steel Corporation, Nippon Steel Sumitomo Metal Corporation, Honda Motor Co., Ltd.. Active years: 1987-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshimi Tarui. Retrieved from https://idiyas.com/inventor/toshimi-tarui

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

USPTO Granted Patents = 12 

% Patents Active = 66.7

 

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 44(Granted Patents)


Location History:

  • Sagamihara, JP (1987 - 1988)
  • Kamaishi, JP (1993)
  • Futtsu, JP (1998 - 2013)
  • Tokyo, JP (2014 - 2016)

Company Filing History:


Years Active: 1987-2016

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12 patents (USPTO):Explore Patents

Title: Innovations of Toshimi Tarui

Introduction

Toshimi Tarui is a prominent inventor based in Futtsu, Japan. He has made significant contributions to the field of materials science, particularly in the development of high-strength steel products. With a total of 12 patents to his name, Tarui's work has had a substantial impact on the industry.

Latest Patents

One of his latest patents is for a high-strength Zn–Al coated steel wire designed for bridges, which boasts excellent corrosion resistance and fatigue properties. This innovative steel wire includes a steel core and a Zn–Al coating that features a coating body layer and an Fe–Al alloy layer. The chemical composition of the core material is carefully formulated to enhance its performance. Another notable patent involves high-strength steel and bolts that exhibit exceptional delayed fracture resistance. This steel is characterized by a specific composition and structure, ensuring durability and reliability in various applications.

Career Highlights

Throughout his career, Toshimi Tarui has worked with leading companies in the steel industry, including Nippon Steel Corporation and Nippon Steel & Sumitomo Metal Corporation. His experience in these organizations has allowed him to refine his expertise and contribute to groundbreaking advancements in steel technology.

Collaborations

Tarui has collaborated with several notable professionals in his field, including Daisuke Hirakami and Hiroshi Sato. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Toshimi Tarui's contributions to materials science and engineering are noteworthy, particularly in the realm of high-strength steel products. His innovative patents and collaborations reflect his commitment to advancing technology in the 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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