Marina Yamaguchi

Title: Marina Yamaguchi: Innovator in Semiconductor Technology

Introduction

Marina Yamaguchi is a prominent inventor based in Yokkaichi, Japan. She has made significant contributions to the field of semiconductor technology, holding a total of 11 patents. Her work focuses on advancing memory devices and machine learning applications.

Latest Patents

One of her latest patents is a semiconductor device that includes first to fifth interconnects, first to third memory cells, and a control circuit. The control circuit is designed to execute machine learning operations. Each of the memory cells contains a resistance changing element. In this machine learning process, the control circuit performs a write operation using a common write voltage to the second memory cells. After this operation, it inputs data to the first interconnects and adjusts the resistance value of at least one third memory cell based on the input data and signals from the fifth interconnects. Another notable patent is a memory device that features a first conductive layer, a second conductive layer, and a ferroelectric layer made of hafnium oxide. This device also includes a paraelectric layer and an oxide layer, which enhance its performance.

Career Highlights

Marina has worked with notable companies such as Toshiba Memory Corporation and Kioxia Corporation. Her experience in these organizations has allowed her to develop innovative solutions in semiconductor technology.

Collaborations

She has collaborated with esteemed colleagues, including Masumi Saitoh and Shoichi Kabuyanagi, contributing to various projects that push the boundaries of technology.

Conclusion

Marina Yamaguchi is a trailblazer in the semiconductor industry, with her inventions paving the way for advancements in memory devices and machine learning. Her contributions continue to influence the field significantly.