Kanagawa, Japan

Koujirou Matsui

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: Renesas Electronics Corporation, Nec Electronics Corporation. Active years: 2009-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koujirou Matsui. Retrieved from https://idiyas.com/inventor/koujirou-matsui

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

USPTO Granted Patents = 5 

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2009-2019

Loading Chart...
5 patents (USPTO):Explore Patents

Title: The Innovations of Koujirou Matsui

Introduction

Koujirou Matsui is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of five patents. His work has been instrumental in advancing the capabilities of semiconductor devices.

Latest Patents

Matsui's latest patents focus on semiconductor devices that incorporate a plurality of unit MISFET elements connected in parallel to form a power MISFET. These elements are strategically placed in an LDMOSFET forming region on the main surface of a semiconductor substrate. Additionally, a control circuit is designed to manage the gate voltage of the power MISFET, which is situated in a driver circuit region on the same surface. The wiring structure consists of multiple layers made from the same metal material, ensuring that the gate electrodes of the unit MISFET elements are electrically interconnected through gate wirings across all wiring layers.

Career Highlights

Throughout his career, Matsui has worked with prominent companies in the electronics sector, including Renesas Electronics Corporation and NEC Electronics Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in semiconductor technology.

Collaborations

Matsui has collaborated with several talented individuals in his field, including Takehiko Sakamoto and Kazuyuki Umezu. These partnerships have fostered a creative environment that has led to the development of advanced technologies.

Conclusion

Koujirou Matsui's contributions to semiconductor technology through his patents and collaborations highlight his importance as an inventor. His work continues to influence the industry and pave the way for future innovations.

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]
Loading…