Utsunomiya, Japan

Eiji Nakashima

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Aisin Seiki Kabushiki Kaisha. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Nakashima. Retrieved from https://idiyas.com/inventor/eiji-nakashima

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 = 6.0

ph-index = 1


Company Filing History:


Years Active: 2016

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1 patent (USPTO):Explore Patents

Title: Eiji Nakashima: Inventor in Nanoparticle Manufacturing.

Introduction

Eiji Nakashima is an inventor associated with Utsunomiya, Japan. His work includes a patented method for manufacturing ferrous oxide nanoparticles and forming carbon nanotubes.

Latest Patents

Nakashima is associated with 1 patent: “Method of Manufacturing Ferrous Oxide Nanoparticle, Method of Forming Carbon Nanotube, and Ferrous Oxide Nanoparticle.” The disclosed method removes water from a solution containing iron oxide, an organic acid, and a first solvent by heating it to a first temperature. The solution is then heated to and maintained at a second temperature, after which the ferrous oxide nanoparticles are extracted.

Career Highlights

Nakashima is associated with Aisin Seiki Kabushiki Kaisha, a company involved in automotive technology and manufacturing. His patent describes a process for producing ferrous oxide nanoparticles, materials with potential relevance to advanced manufacturing and nanotechnology.

Collaborations

His listed coworkers include Tomoya Tagami and Saeki Yamamuro.

Conclusion

Eiji Nakashima’s patent documents his contribution to nanoparticle manufacturing through a process for producing ferrous oxide nanoparticles.

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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