Tokyo, Japan

Satoshi Hironaka

This inventor holds 5 USPTO granted patents and 8 published patent applications and 2 EPO patents. Top assignee: Nippon Steel Corporation. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Hironaka. Retrieved from https://idiyas.com/inventor/satoshi-hironaka-twi906c7

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 60.0

 

Average Co-Inventor Count = 3.9

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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5 patents (USPTO):Explore Patents

Title: Satoshi Hironaka: Innovator in Steel Sheet Technology

Introduction

Satoshi Hironaka is a prominent inventor based in Tokyo, Japan. He is known for his significant contributions to the field of materials science, particularly in the development of advanced steel sheets. His innovative work has led to improvements in the quality and performance of steel products.

Latest Patents

Hironaka holds a patent for a steel sheet that delivers excellent appearance quality in its formed products. The patent describes a steel sheet with a specific chemical composition, including mass percentages of carbon, silicon, manganese, phosphorus, sulfur, aluminum, and nitrogen. The unique micro-structure of the steel consists of 70 to 95% ferrite and 5 to 30% hard phases in volume fraction. Additionally, the patent outlines specific criteria for Vickers hardness, ensuring the steel sheet meets high standards of quality.

Career Highlights

Satoshi Hironaka is currently employed at Nippon Steel Corporation, a leading company in the steel industry. His work at Nippon Steel has allowed him to focus on innovative solutions that enhance the performance and aesthetic qualities of steel products. Hironaka's dedication to research and development has positioned him as a key figure in the advancement of steel technology.

Collaborations

Hironaka collaborates with talented colleagues, including Yasuhiro Ito and Mai Nagano. Their combined expertise contributes to the innovative projects at Nippon Steel Corporation, fostering a collaborative environment that encourages creativity and technological advancement.

Conclusion

Satoshi Hironaka's contributions to steel sheet technology exemplify the impact of innovation in materials science. His patent and work at Nippon Steel Corporation highlight the importance of quality and performance in industrial applications. Hironaka's dedication to his craft continues to inspire advancements in the steel 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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