Minamiakita-gun, Japan

Akira Narumi

This inventor holds 1 USPTO granted patent. Top assignee: Dowa Mining Co., Ltd.. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Narumi. Retrieved from https://idiyas.com/inventor/akira-narumi

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


Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2004

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1 patent (USPTO):Explore Patents

Title: Akira Narumi: Innovator in Zinc Leaching Technology

Introduction

Akira Narumi is a notable inventor based in Minamiakita-gun, Japan. He has made significant contributions to the field of metallurgy, particularly in the extraction of zinc from its ores. His innovative methods have the potential to enhance the efficiency of zinc production processes.

Latest Patents

Narumi holds a patent for a method for leaching zinc concentrate. This method involves leaching a zinc concentrate in an aqueous solution containing free sulfuric acid and ferric ions. The process results in the deposition of elemental sulfur on the zinc concentrate. Additionally, the zinc concentrate is ground under atmospheric pressure in the aqueous solution, which helps strip elemental sulfur and other by-products from the surfaces of the particles. This innovative approach is designed to improve the overall efficiency of zinc extraction.

Career Highlights

Narumi is associated with Dowa Mining Co., Ltd., where he has been instrumental in developing new techniques for mineral processing. His work has contributed to advancements in the mining industry, particularly in the area of zinc extraction.

Collaborations

He has collaborated with notable colleagues, including Manabu Kanno and Yoshiyuki Watanabe. Their combined expertise has fostered innovation and progress within their field.

Conclusion

Akira Narumi's contributions to zinc leaching technology exemplify the impact of innovative thinking in the mining sector. His patent and collaborative efforts continue to influence advancements in mineral processing.

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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