Aichi, Japan

Haruo Kojima

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Paint Compnay, Ltd.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruo Kojima. Retrieved from https://idiyas.com/inventor/haruo-kojima-m72qawrv

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 = 4.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Inventor Haruo Kojima: Innovating Metal Surface Treatment

Introduction

Haruo Kojima, an inventive force from Aichi, Japan, has made significant strides in the field of metal surface treatment. With a robust patent portfolio, he has focused on enhancing the durability and performance of treated surfaces, particularly through innovative chemical processes.

Latest Patents

Kojima's most notable patent, titled "Method for treating metal surface with zinc phosphate," presents a revolutionary approach to treating various metal surfaces. This method allows for the treatment of iron-based, zinc-based, aluminum-based surfaces, and even combinations thereof using the same zinc phosphate solution. Notably, this technique ensures the formation of a superior coating film with excellent adhesion and high corrosion resistance. Additionally, it effectively prevents the formation of precipitates caused by metal ions, particularly aluminum ions, during the treatment process.

Career Highlights

Throughout his career, Haruo Kojima has been associated with Nippon Paint Company, Ltd., where he has dedicated his efforts to advancing surface treatment technologies. His unique innovations have not only improved product quality but have also contributed to the company's reputation as a leader in the coatings industry.

Collaborations

Kojima has collaborated with esteemed colleagues such as Isao Kawasaki and Minoru Ishida, further enriching the innovative environment at Nippon Paint Company. Their teamwork has facilitated the exchange of ideas and fostered the development of groundbreaking technologies in metal treatment.

Conclusion

Haruo Kojima's contributions to metal surface treatment through his patented methods exemplify the significant impact of innovation in industrial applications. His work not only enhances the performance of coatings but also sets a benchmark for future developments within the field.

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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