Yokohama, Japan

Kazumasa Sunouchi

This inventor holds 8 USPTO granted patents and 2 published patent applications. Top assignees: Kioxia Corporation, Toshiba Memory Corporation. Active years: 2020-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumasa Sunouchi. Retrieved from https://idiyas.com/inventor/kazumasa-sunouchi-4i6vu6ph

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

Calculating rank
USPTO Granted Patents = 8 

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 2

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2020-2025

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8 patents (USPTO):Explore Patents

Title: Kazumasa Sunouchi: Innovator in Magnetic Memory Technology

Introduction

Kazumasa Sunouchi is a prominent inventor based in Yokohama, Kanagawa, Japan, known for his innovative contributions to magnetic memory technology. With an impressive portfolio comprising eight patents, Sunouchi has significantly impacted the field of nonvolatile storage devices.

Latest Patents

Among his notable patents, the "Magnetic Memory Device" introduces an advanced structure comprising a first wiring line, multiple second wiring lines, and a series of first memory cells, each featuring a first magnetoresistance effect element and a selector. This innovative design allows a first voltage to be applied to selected memory cells while maintaining a separate voltage for non-selected cells. Additionally, his patent for a "Nonvolatile Storage Device" details a unique intersection of first and second interconnections, with memory cells strategically formed at these points. Each memory cell in this design consists of a resistance change element and a selector, allowing for efficient data storage and retrieval.

Career Highlights

Kazumasa Sunouchi has built a commendable career in the technology sector, having worked at prestigious organizations like Kioxia Corporation and Toshiba Memory Corporation. His experience in these companies has enabled him to refine his skills and contribute to groundbreaking advancements in memory technologies.

Collaborations

Throughout his career, Sunouchi has collaborated with esteemed colleagues, including Masahiko Nakayama and Tadashi Kai. These partnerships have not only enriched his professional journey but have also fostered an environment of innovation and progress within the teams he has worked with.

Conclusion

Kazumasa Sunouchi's work continues to shape the landscape of magnetic memory devices, reflecting his dedication to innovation. With his patents paving the way for new technologies, Sunouchi's contributions are an inspiring testament to the potential of inventive minds in the field of electronics and memory storage.

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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