Tokyo, Japan

Atsushi Tsumita

This inventor holds 18 USPTO granted patents and 5 published patent applications, primarily in Magnetic Memory Technology. Top assignee: Tdk Corporation. Active years: 2014-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsushi Tsumita. Retrieved from https://idiyas.com/inventor/atsushi-tsumita

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

USPTO Granted Patents = 18 

% Patents Active = 88.9

Average Co-Inventor Count = 2.8

ph-index = 3

Forward Citations = 32(Granted Patents)


Location History:

  • Ichikawa, JP (2014)
  • Tokyo, JP (2015 - 2024)

Company Filing History:


Years Active: 2014-2026

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Areas of Expertise:
Magnetic Memory
Spin Element
Storage Element
Semiconductor Device
Magnetic Recording
High-Frequency Amplifier
Bias Control Circuit
Magnetoresistance Effect
18 patents (USPTO):Explore Patents

Title: **Inventor Atsushi Tsumita: Pioneering Advances in Semiconductor Technology**

Introduction

Atsushi Tsumita, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of semiconductor technology. With a portfolio of 17 patents, Tsumita's innovations have the potential to revolutionize data storage and memory devices.

Latest Patents

Among his latest patents, Tsumita has developed a range of sophisticated technologies. One notable invention is a **storage element**, which features a first and a second ferromagnetic layer separated by a nonmagnetic layer. This design includes a first wiring that extends in a different direction, effectively sandwiching the first ferromagnetic layer. Additionally, the electrode is strategically positioned to interface with the lateral surface of the second ferromagnetic layer.

Another important patent is the **spin-orbit torque magnetoresistance effect element**. This invention comprises an element part that includes a similar layered structure, along with a spin-orbit torque wiring that interacts with the first ferromagnetic layer. The design incorporates conductive parts that create a gate interaction conducive to advanced magnetic memory applications, utilizing a semiconductor with added scattering elements.

Career Highlights

Atsushi Tsumita is currently employed at TDK Corporation, where he continues to push the boundaries of semiconductor innovation. His technical expertise in magnetic recording and storage elements has placed him at the forefront of research and development in this dynamic field.

Collaborations

Throughout his career, Tsumita has collaborated with talented individuals such as Yohei Shiokawa and Tomoyuki Sasaki. These partnerships have fostered an environment of creativity and innovation, contributing to breakthroughs in semiconductor technology.

Conclusion

With 17 patents to his name, Atsushi Tsumita stands out as a prominent figure in the realm of semiconductor inventions. His cutting-edge work not only highlights his technical prowess but also signifies a leap forward in storage and memory technologies. As advancements in this area continue to evolve, Tsumita's contributions are likely to influence the future of technology significantly.

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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