Yokohama, Japan

Nobuyuki Shirai

This inventor holds 1 USPTO granted patent. Top assignee: Will Semiconductor (Shanghai) Co. Ltd.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Shirai. Retrieved from https://idiyas.com/inventor/nobuyuki-shirai-cqv6ywp3

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Nobuyuki Shirai: Innovator in Field-Effect Transistor Technology

Introduction

Nobuyuki Shirai is a prominent inventor based in Yokohama, Japan. He is known for his significant contributions to the field of semiconductor technology, particularly in the development of field-effect transistors (FETs). His innovative work aims to address critical challenges in the industry, such as reducing leakage currents in transistors.

Latest Patents

Nobuyuki Shirai holds 1 patent for his invention titled "Field-effect transistor and method for manufacturing field-effect transistor." This patent addresses the problem of leakage current between the gate and the source of the transistor. The invention features a trench type FET, where the thickness of the oxide insulating layer is strategically designed to enhance performance and reliability.

Career Highlights

Shirai is currently employed at Will Semiconductor (Shanghai) Co. Ltd., where he continues to push the boundaries of semiconductor technology. His work has been instrumental in advancing the efficiency and effectiveness of field-effect transistors, making significant impacts in various applications.

Collaborations

Nobuyuki Shirai collaborates with fellow inventor Nobuyoshi Matsuura, contributing to the innovative environment at Will Semiconductor. Their combined expertise fosters advancements in semiconductor technology.

Conclusion

Nobuyuki Shirai's contributions to the field of field-effect transistors exemplify the spirit of innovation in semiconductor technology. His work not only addresses existing challenges but also paves the way for future advancements in the industry.

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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