Himeji, Japan

Yoshihiko Hirano

This inventor holds 3 USPTO granted patents. Top assignee: Nippon Steel Corporation. Active years: 1977-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiko Hirano. Retrieved from https://idiyas.com/inventor/yoshihiko-hirano-6dn9db9l

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 = 3.0

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Himeji, JA (1977)
  • Himeji, JP (1986 - 1990)

Company Filing History:


Years Active: 1977-1990

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3 patents (USPTO):Explore Patents

Title: **Yoshihiko Hirano: Innovator in Steel Technology**

Introduction

Yoshihiko Hirano, a prominent inventor based in Himeji, Japan, has made significant contributions to steel technology. With a total of three patents to his name, Hirano is recognized for his innovative approaches that enhance the properties of steel products, particularly for use in the automotive industry.

Latest Patents

Hirano's latest patents include a groundbreaking invention titled "Multiple Coated Composite Steel Strip." This patent details a steel strip substrate that features an exceptional corrosion resistance, weldability, and paint adhesion, making it particularly useful for car bodies. The composite strip incorporates a first metal coating layer, a second chlorate coating layer derived from an electrolytic chromate treatment method, and a third resinous coating layer composed of acrylic polymers and colloidal silica particles.

Another notable patent is focused on a "Process for Producing Cold Rolled Steel Strip Highly Susceptible to Coating." This innovative process results in cold rolled steel strips with outstanding conversion coating properties, further showcasing Hirano's expertise and contributions to the field.

Career Highlights

Yoshihiko Hirano is affiliated with Nippon Steel Corporation, a leading player in the steel industry. His work at this esteemed organization has allowed him to push the boundaries of steel innovation, aligning with the company's mission to advance steel technology and applications.

Collaborations

Throughout his career, Hirano has collaborated with notable industry professionals, including Hisao Odashima and Teruyoshi Hiraoka. These partnerships have enhanced the development of his patented technologies and contributed to the overall success of projects within the company.

Conclusion

Yoshihiko Hirano stands out as a significant figure in the advancements of steel technology. His inventions and collaborative efforts reflect a dedication to improving materials that play a crucial role in the automotive sector, setting benchmarks for corrosion resistance and overall performance. As industry demands evolve, Hirano's work continues to impact the future of steel 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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