Yoshihisa Mizutani

Title: Innovations of Yoshihisa Mizutani

Introduction

Yoshihisa Mizutani is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of technology, particularly in the development of display devices and semiconductor memory. With a total of 18 patents to his name, Mizutani's work has had a lasting impact on the industry.

Latest Patents

One of his latest inventions is a reflective liquid crystal display device. This device includes a substrate with a surface, a pixel electrode on that surface, and a first liquid crystal layer provided on the substrate. Additionally, a second liquid crystal layer is placed on the first layer, along with a counter electrode formed on the second layer. A separating member is also included between the first and second liquid crystal layers. The liquid crystal materials used in these layers exhibit Bragg reflection, which allows for selective reflection in the same twist direction. The separating layer functions as an optical compensator.

Another notable patent is for a nonvolatile semiconductor memory device. This device features n.sup.+ -type source and drain regions formed in the surface of a p-type semiconductor substrate. A floating gate is positioned above and insulated from a channel region located between the source and drain regions. Furthermore, a control gate is formed above and insulated from the floating gate. The memory device also includes a capacitor situated between the control gate and the drain region.

Career Highlights

Mizutani has worked with several notable companies throughout his career, including Toshiba Corporation and Tokyo Shibaura Electric Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies.

Collaborations

Mizutani has collaborated with esteemed colleagues such as Shinichiro Takasu and Susumu Kohyama. Their combined expertise has fostered innovation and advancement in their respective fields.

Conclusion

Yoshihisa Mizutani's contributions to technology through his patents and collaborations highlight his role as a leading inventor. His work continues to influence the development of advanced display and memory technologies.