Chiba, Japan

Hiroshi Nagaishi

This inventor holds 1 USPTO granted patent. Top assignees: Kawasaki Steel Corporation, Kawasaki Steel Metal Products & Engineering Inc.. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Nagaishi. Retrieved from https://idiyas.com/inventor/hiroshi-nagaishi-ix2y08pc

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 = 7.0

ph-index = 1

Forward Citations = 38(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Hiroshi Nagaishi: Innovator in Porcelain-Enamel Technology

Introduction

Hiroshi Nagaishi is a notable inventor based in Chiba, Japan. He is recognized for his contributions to the field of materials science, particularly in the development of porcelain-enamel technology. His innovative work has led to advancements that enhance the durability and functionality of steel sheets.

Latest Patents

Hiroshi Nagaishi holds a patent for "Porcelain-enameled steel sheets and frits for enameling." This invention involves a porcelain enameled steel sheet that comprises an aluminum/zinc alloy-plated steel sheet and a porcelain enamel coating layer. The design includes an interstitial layer that provides excellent adhesion to both the plating layer and the enamel coating layer. This intermediate layer can be made from various materials, ensuring the steel sheet's superior corrosion resistance and enamel-adhesive properties. The invention is particularly useful in applications that require post-processing through bending.

Career Highlights

Throughout his career, Hiroshi Nagaishi has worked with prominent companies, including Kawasaki Steel Corporation and Kawasaki Steel Metal Products & Engineering Inc. His experience in these organizations has allowed him to refine his expertise in materials engineering and innovation.

Collaborations

Hiroshi has collaborated with notable colleagues such as Yasumasa Fukushima and Masato Kumagai. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Hiroshi Nagaishi's work in porcelain-enamel technology has made a significant impact on the materials science field. His innovative patent demonstrates his commitment to enhancing the properties of steel sheets, making them more versatile and durable for various applications.

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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