Tokyo, Japan

Akiko Hirai

This inventor holds 1 USPTO granted patent and 3 published patent applications. Top assignee: Nippon Steel Corporation. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akiko Hirai. Retrieved from https://idiyas.com/inventor/akiko-hirai-2mb6cx36

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Akiko Hirai: Innovator in Pre-Coated Metal Sheet Technology

Introduction

Akiko Hirai is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of materials science, particularly in the development of pre-coated metal sheets. Her innovative approach aims to enhance the flaw resistance of metal surfaces, making them more durable and efficient for various applications.

Latest Patents

Hirai holds a patent for a pre-coated metal sheet that includes a metal sheet and a color film layer positioned on it. This invention features a first region and a second region defined by a measuring method of arithmetic mean surface roughness Sa. The color film layer has a thickness ranging from 1 to 10 μm and contains particles with a diameter equal to or larger than the thickness. This innovative design significantly improves the flaw resistance of the metal sheet.

Career Highlights

Akiko Hirai is associated with Nippon Steel Corporation, where she has been instrumental in advancing metal coating technologies. Her work has not only contributed to the company's reputation but has also set new standards in the industry for quality and durability.

Collaborations

Hirai has collaborated with notable colleagues, including Yasuaki Kawamura and Kunihiko Toshin. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Akiko Hirai's contributions to the field of pre-coated metal sheets exemplify her dedication to innovation and excellence. Her work continues to influence the industry and inspire future advancements 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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