Kazuhiro Matsumoto

Title: Kazuhiro Matsumoto: Innovator in Semiconductor Protection Circuits

Introduction

Kazuhiro Matsumoto is a notable inventor based in Suwa, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the area of protection circuits. His innovative work aims to enhance the reliability of semiconductor devices against electrical surges.

Latest Patents

Matsumoto holds a patent for a protection circuit designed to safeguard semiconductor devices from electrostatic discharge (ESD) and other surges. The patent describes a circuit that improves reliability while minimizing the circuit's size. The design includes an n-type diffusion region formed on a p-type well, which connects to the gate electrode of an n-type transistor. This configuration reduces the potential difference between the channel region and the gate electrode, thereby protecting the gate oxide film. The layout is carefully determined to prevent unintended activation of a bipolar formed by the drain region, p-type well, and n-type diffusion region. This invention can be applied to various circuits, including output buffers, input buffers, and interface circuits between different power-supply systems.

Career Highlights

Kazuhiro Matsumoto is currently employed at Seiko Epson Corporation, where he continues to innovate in semiconductor technology. His work has been instrumental in advancing the reliability and efficiency of electronic devices.

Collaborations

Matsumoto collaborates with Kazuhiko Okawa, contributing to the development of cutting-edge technologies in their field.

Conclusion

Kazuhiro Matsumoto's contributions to semiconductor protection circuits exemplify his commitment to innovation and reliability in technology. His patent reflects a significant advancement in safeguarding electronic devices from surges, showcasing his expertise and dedication to the field.