Osaka, Japan

Iwao Saito

This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Metal Industries, Inc.. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Iwao Saito. Retrieved from https://idiyas.com/inventor/iwao-saito

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: Innovations by Iwao Saito: Advancements in Ultra-High Strength Steel

Introduction

Iwao Saito, an innovative inventor based in Osaka, Japan, has made significant contributions to materials science, particularly in the field of ultra-high strength steel production. With a single patent to his name, Saito has developed a method that enhances the tensile strength and ductility of steel tubes, which is crucial for various industrial applications.

Latest Patents

Saito's patent, titled "Method of producing a tube of ultra-high strength steel," outlines a sophisticated process for creating tubes with a tensile strength exceeding 255 kg/mm². The method involves several crucial steps: preparing a mother tube through hot extrusion of a specialized steel alloy composed of nickel, cobalt, molybdenum, titanium, aluminum, and iron. Following this, the process includes cold working, temperature adjustments, and aging, all designed to produce a tube with remarkable performance characteristics.

Career Highlights

Saito is associated with Sumitomo Metal Industries, Inc., a leading company in the steel manufacturing sector. His innovative work in developing high-strength materials has implications for industries ranging from automotive to aerospace, underscoring the importance of his contributions.

Collaborations

Throughout his career, Iwao Saito has collaborated with fellow researchers and professionals, including Tatsuro Kunitake and Kazuo Tsumura. Their expertise and teamwork have likely augmented the development of Saito's innovative methods, fostering an environment of advancement within the industry.

Conclusion

In conclusion, Iwao Saito's contributions to the field of ultra-high strength steel represent a significant leap in materials engineering. His patented method not only enhances the mechanical properties of steel tubes but also aligns with the demands of modern engineering applications. As Saito continues his work at Sumitomo Metal Industries, he remains a valuable asset to innovation in materials 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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