Chiba, Japan

Kouichi Hashiguchi

This inventor holds 1 USPTO granted patent. Top assignees: Furukawa Aluminum Co., Ltd., Kawasaki Steel Corporation. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouichi Hashiguchi. Retrieved from https://idiyas.com/inventor/kouichi-hashiguchi

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 = 8.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: The Innovative Journey of Kouichi Hashiguchi

Introduction

Kouichi Hashiguchi, a notable inventor based in Chiba, Japan, has made significant contributions to the field of materials science. With a keen focus on aluminum alloys, Hashiguchi has secured a patent that showcases his expertise and innovation within this domain.

Latest Patents

Hashiguchi’s patent, which focuses on a surface-treated aluminum material having improved spot resistance, presents a novel composition. This material comprises an aluminum or aluminum alloy substrate coated with a chromate film, followed by an organic resin mixture film. Notably, the chromate film's coating weight is artfully calibrated from 5 to 100 mg/m², while the organic resin mixture film features an impressive thickness range from 0.05 to 3.0 micrometers. This innovative formulation significantly enhances weldability, workability, and corrosion resistance, catering to various industrial applications.

Career Highlights

Throughout his career, Kouichi Hashiguchi has had the privilege of working with prestigious organizations such as Kawasaki Steel Corporation and Furukawa Aluminum Co., Ltd. His experiences at these companies have undoubtedly shaped his understanding of material applications and innovations within the aluminum industry.

Collaborations

Hashiguchi has collaborated with esteemed colleagues, including Nobuo Totsuka and Naoki Nishiyama, contributing to a synergy of inventive ideas and technological advancements. This collaborative environment has not only fostered his growth as an inventor but also facilitated the development of groundbreaking materials.

Conclusion

Kouichi Hashiguchi stands as a testament to innovative thought in the realm of aluminum materials. His patented work on surface-treated aluminum materials reflects his dedication to enhancing industrial capabilities. With a continued focus on innovation and collaboration, Hashiguchi's contributions will likely influence the future landscape of 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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