Yokohama, Japan

Hiroaki Tsukamoto

This inventor holds 2 USPTO granted patents. Top assignee: Nippon Kokan Kabushiki Kaisha. Active years: 1988-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Tsukamoto. Retrieved from https://idiyas.com/inventor/hiroaki-tsukamoto-ysxetks5

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1988-1992

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2 patents (USPTO):Explore Patents

Title: Hiroaki Tsukamoto: Innovator in Heat-Resistant Steel

Introduction

Hiroaki Tsukamoto is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of heat-resistant steel. With a total of 2 patents to his name, Tsukamoto's work has had a considerable impact on the industry.

Latest Patents

Tsukamoto's latest patents include innovations in chromium heat-resistant steel. One patent focuses on a chromium heat-resistant steel that excels in toughness, offering high cracking resistance and creep strength when utilized to form welded joints. The steel consists essentially of specific alloying elements that enhance its performance. Another patent details a method for manufacturing pressure vessel steel with high strength and toughness. This method involves heating steel to temperatures exceeding 1200°C and includes precise compositions of carbon, silicon, manganese, chromium, molybdenum, nickel, and other elements to achieve the desired properties.

Career Highlights

Hiroaki Tsukamoto is associated with Nippon Kokan Kabushiki Kaisha, a company known for its advancements in steel production. His work has contributed to the development of materials that meet the demanding requirements of various industrial applications. Tsukamoto's expertise in metallurgy and material science has positioned him as a key figure in his field.

Collaborations

Throughout his career, Tsukamoto has collaborated with notable colleagues, including Haruo Suzuki and Koshiro Tsukada. These partnerships have fostered innovation and have led to the successful development of new materials and manufacturing processes.

Conclusion

Hiroaki Tsukamoto's contributions to the field of heat-resistant steel exemplify the importance of innovation in materials science. His patents reflect a commitment to advancing technology and improving industrial applications. Tsukamoto's work continues to influence the industry and inspire future innovations.

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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