Tokyo, Japan

Atsushi Tsuboi

This inventor holds 5 USPTO granted patents and 2 published patent applications. Top assignees: Nec Corporation, Tokyo Electron Limited. Active years: 1998-2025.

USPTO Granted Patents = 5 

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 2

Forward Citations = 55(Granted Patents)


Company Filing History:


Years Active: 1998-2025

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5 patents (USPTO):Explore Patents

Title: Atsushi Tsuboi: Innovator in Semiconductor Manufacturing

Introduction

Atsushi Tsuboi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor manufacturing, holding a total of 5 patents. His innovative approaches have advanced the technology used in semiconductor devices.

Latest Patents

Tsuboi's latest patents include a method of manufacturing a semiconductor device. This method involves forming a first film containing carbon over a silicon nitride film and a first conductive film. It also includes forming a first silicon oxide film surrounding the first film, removing the first film to create an opening, and forming a second conductive film in contact with the first conductive film. Another notable patent is the fabrication process flow of a dielectric layer for the isolation of nano-sheet devices on a bulk silicon substrate. This method includes forming a support on a side surface of a stack that extends from a substrate, removing a sacrificial film, and filling the space with a dielectric film.

Career Highlights

Throughout his career, Tsuboi has worked with notable companies such as NEC Corporation and Tokyo Electron Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.

Collaborations

Tsuboi has collaborated with talented individuals in the field, including Shimpei Yamaguchi and Atsushi Endo. These collaborations have fostered innovation and have led to the development of new technologies in semiconductor manufacturing.

Conclusion

Atsushi Tsuboi is a key figure in the semiconductor industry, with a strong portfolio of patents and a history of collaboration with esteemed colleagues. His work continues to influence the future of semiconductor technology.

Profile summary based on public USPTO records.
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