Kuwana, Japan

Tatsumi Usami

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Toshiba Memory Corporation, Kioxia Corporation. Active years: 2019-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsumi Usami. Retrieved from https://idiyas.com/inventor/tatsumi-usami

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 1


Location History:

  • Mie, JP (2020)
  • Kuwana, JP (2019 - 2022)

Company Filing History:


Years Active: 2019-2022

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3 patents (USPTO):Explore Patents

Title: Innovations of Tatsumi Usami

Introduction

Tatsumi Usami is a notable inventor based in Kuwana, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work has been instrumental in advancing the efficiency and functionality of semiconductor devices.

Latest Patents

One of Usami's latest patents is for a semiconductor device and manufacturing method. This invention includes a wiring layer with a first metallic film on an oxide film, a second metallic film on the first, and a polysilicon film on the second. The element layer is provided on the wiring layer, featuring semiconductor elements that are electrically connected to the first metallic film. Notably, the standard Gibbs energy of formation of the first metal in the first metallic film is lower than that of the second metal in the second metallic film.

Another significant patent is for a semiconductor manufacturing apparatus. This apparatus consists of a vacuum chamber, a rotary member, and two magnets. The vacuum chamber contains a substrate and a target positioned opposite the substrate. The rotary member has a surface located on the back side of the target outside the vacuum chamber. The first magnet is placed on this surface, while the second magnet has an opposite magnetic pole and is located on the inner side of the first magnet. A magnetic body is also included, which is designed to move vertically between the two magnets.

Career Highlights

Usami has worked with prominent companies in the semiconductor industry, including Toshiba Memory Corporation and Kioxia Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.

Collaborations

Throughout his career, Usami has collaborated with talented individuals such as Takashi Izumi and Akitsugu Hatazaki. These collaborations have contributed to the advancement of his projects and innovations.

Conclusion

Tatsumi Usami's contributions to semiconductor technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence the development of advanced semiconductor devices and manufacturing methods.

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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