Sapporo, Japan

Mina Kumagai

This inventor holds 2 USPTO granted patents. Top assignee: Hokkaido University. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mina Kumagai. Retrieved from https://idiyas.com/inventor/mina-kumagai

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

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% Patents Active = 50.0

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2016

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2 patents (USPTO):Explore Patents

Title: Mina Kumagai: Innovator in Europium(II) Compound Technologies

Introduction

Mina Kumagai is a prominent inventor based in Sapporo, Japan. She has made significant contributions to the field of materials science, particularly in the development of europium(II) compound technologies. With a total of 2 patents, her work focuses on enhancing the magnetooptical properties of nanoparticles.

Latest Patents

Mina's latest patents include innovative technologies that utilize europium(II) compounds. The first patent, titled "Thin film and nanocrystals of europium(II) compound doped with metal ions," relates to the creation of Eu(II) compound nanocrystals doped with transition metal ions. This invention generates quantum size effects in the nanoparticles, while the transition metal ions enhance the magnetooptical properties. The second patent, "Composite thin film and composite nanocrystals containing europium(II) compound and metal," describes a composite that combines Eu(II) compound nanoparticles with metal nanoparticles. This production method also generates quantum size effects and utilizes the surface plasmon of the metal nanoparticles to improve magnetooptical properties.

Career Highlights

Mina Kumagai is affiliated with Hokkaido University, where she conducts her research and development work. Her innovative approaches have positioned her as a key figure in her field, contributing to advancements in nanotechnology and materials science.

Collaborations

Mina collaborates with esteemed colleagues, including Yasuchika Hasegawa and Koji Fushimi. These partnerships enhance her research capabilities and foster a collaborative environment for innovation.

Conclusion

Mina Kumagai's work in europium(II) compound technologies showcases her dedication to advancing materials science. Her patents reflect her innovative spirit and commitment to improving magnetooptical properties through cutting-edge research.

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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