Chiba, Japan

Hiroaki Ohnuma

This inventor holds 2 USPTO granted patents. Top assignees: Kawasaki Steel Corporation, Hitachi, Ltd.. Active years: 1987-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Ohnuma. Retrieved from https://idiyas.com/inventor/hiroaki-ohnuma-rdqbvlmy

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.5

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1987-1996

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2 patents (USPTO):Explore Patents

Title: The Innovations of Hiroaki Ohnuma

Introduction

Hiroaki Ohnuma is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of materials science, particularly in the development of corrosion-resistant materials. With a total of two patents to his name, Ohnuma's work has had a lasting impact on various industries.

Latest Patents

Ohnuma's latest patents include innovations such as corrosion-resistant steel sheets that have improved corrosion resistance. Additionally, he has developed a continuous casting apparatus for the production of cast sheets. These inventions showcase his commitment to advancing material technology.

Career Highlights

Throughout his career, Hiroaki Ohnuma has worked with prominent companies, including Kawasaki Steel Corporation and Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in the industry.

Collaborations

Ohnuma has collaborated with esteemed colleagues, including Hakaru Nakato and Tsutomu Nozaki. These partnerships have fostered a creative environment that has led to innovative solutions in materials engineering.

Conclusion

Hiroaki Ohnuma's contributions to the field of materials science through his patents and collaborations highlight his role as a key innovator. His work continues to influence the development of advanced materials in various industries.

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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