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For the Inventor, By the Inventor

Chiba, Japan

Shunichi Tsugawa

This inventor holds 7 USPTO granted patents. Top assignee: Kawasaki Steel Corporation. Active years: 1982-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shunichi Tsugawa. Retrieved from https://idiyas.com/inventor/shunichi-tsugawa

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 4.5

ph-index = 3

Forward Citations = 52(Granted Patents)


Company Filing History:

goldMedal7 out of 1,256 
 
Kawasaki Steel Corporation
 patents

Years Active: 1982-1991

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7 patents (USPTO):Explore Patents
1. 5061575 - Lubricating resin coated steel strips having improved formability and (1991-10-29),
2. 4775599 - Cold rolled steel sheets having an improved press formability (1988-10-04),
3. 4579633 - Method of producing tin-free steel sheets (1986-04-01),
4. 4542077 - Tin-free steel sheets having improved lacquer adhesion (1985-09-17),
5. 4519879 - Method of producing tin-free steel sheets (1985-05-28),
6. 4432845 - Method of producing tin-free steel sheets having improved resistance to (1984-02-21),
7. 4318754 - Surface treatment method for tin-free steel (1982-03-09),

Title: Shunichi Tsugawa: Innovator in Steel Technology

Introduction

Shunichi Tsugawa is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of steel technology, holding a total of 7 patents. His work focuses on improving the formability and corrosion resistance of steel products, which are essential in various industrial applications.

Latest Patents

Tsugawa's latest patents include innovative solutions for lubricating resin coated steel strips and cold rolled steel sheets. One of his notable inventions involves a zinc, zinc alloy, or aluminum alloy plated steel strip that features chromate coatings on both surfaces. This strip is coated with a lubricating resin composition that enhances formability and corrosion resistance. The resin composition includes a base resin, silica, and high-melting polyolefin wax, with options for low-melting polyolefin wax. Another significant patent addresses cold rolled steel sheets that exhibit improved press formability, phosphatability, resistance to galling, and spot weldability. This is achieved by controlling the surface roughness pattern of the steel sheet.

Career Highlights

Shunichi Tsugawa has built a successful career at Kawasaki Steel Corporation, where he has been instrumental in advancing steel technology. His innovative approaches have led to the development of products that meet the evolving needs of the industry. His expertise in material science and engineering has positioned him as a key figure in his field.

Collaborations

Throughout his career, Tsugawa has collaborated with notable colleagues, including Toshio Ichida and Hajime Ogata. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Shunichi Tsugawa's contributions to steel technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence advancements in material science, ensuring better performance and durability in steel products.

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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