Tokyo, Japan

Shigeki Nakagawa

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Japan Science and Technology Agency, Nakagawa Corporation. Active years: 2001-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeki Nakagawa. Retrieved from https://idiyas.com/inventor/shigeki-nakagawa

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 2001-2019

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2 patents (USPTO):Explore Patents

Title: Shigeki Nakagawa: Innovator in Magnetoresistive Technology and Jewelry Design

Introduction

Shigeki Nakagawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of magnetoresistive elements and innovative jewelry design. With a total of 2 patents, Nakagawa's work showcases his creativity and technical expertise.

Latest Patents

One of Nakagawa's latest patents is for a magnetoresistive element and memory circuit that includes a free layer. This innovative design features a magnetostrictive layer containing a magnetostrictive material, a pin layer with a first ferromagnetic layer, and a piezoelectric substance that applies pressure to the magnetostrictive layer. This technology has potential applications in advanced memory circuits.

Another notable patent is for a rotation preventing necklace. This unique necklace design prevents rotation by incorporating a connecting metal positioned on the rear side, ensuring it remains in place when worn. The necklace consists of multiple pieces arranged continuously, with at least one hollow member among the solid members, enhancing both functionality and aesthetics.

Career Highlights

Shigeki Nakagawa has worked with notable organizations such as Nakagawa Corporation and the Japan Science and Technology Agency. His experience in these institutions has allowed him to develop and refine his innovative ideas, contributing to his success as an inventor.

Collaborations

Throughout his career, Nakagawa has collaborated with talented individuals, including Satoshi Sugahara and Yota Takamura. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Shigeki Nakagawa's contributions to technology and design highlight his innovative spirit and dedication to advancing his fields. His patents reflect a blend of creativity and technical skill, making him a noteworthy figure in the world of invention.

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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