Keisuke Suda

Title: Keisuke Suda: Innovator in Semiconductor Technology

Introduction

Keisuke Suda is a prominent inventor based in Yokkaichi, Japan, known for his significant contributions to semiconductor technology. With a total of seven patents to his name, Suda has made remarkable advancements in the field, particularly in semiconductor memory devices.

Latest Patents

One of Suda's latest patents is a semiconductor memory device designed to suppress variations of impurity concentrations. This innovative device features a plurality of electrode layers stacked above a first semiconductor layer, a second semiconductor layer, and a first film. The second semiconductor layer extends through the electrode layers and includes an end portion inside the first semiconductor layer. The first film is strategically positioned inside the first semiconductor layer, ensuring contact with it. The first semiconductor layer is composed of three portions, with the first film located between the first and second portions. The third portion connects the first and second portions and is situated between the first film and the second semiconductor layer. Additionally, the second semiconductor layer includes a contact portion that interacts with the third portion of the first semiconductor layer.

Another notable patent by Suda involves a semiconductor memory device that comprises a semiconductor layer arranged above a substrate in a first direction. This device includes a first interconnect layer positioned between the substrate and the semiconductor layer, along with a second interconnect layer adjacent to the first. The design features multiple memory pillars and a first member located between the two interconnect layers. The semiconductor layer has a projecting portion that overlaps an area provided with the first interconnect layer and the first member.

Career Highlights

Throughout his career, Keisuke Suda has worked with leading companies in the semiconductor industry, including Kioxia Corporation and Toshiba Memory Corporation. His expertise and innovative spirit have allowed him to contribute significantly to advancements in memory technology.

Collaborations

Suda has collaborated with notable colleagues such as Hisashi Harada and Yoshiaki Fukuzumi, further enhancing his work in the semiconductor field.

Conclusion

Keisuke Suda's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in memory devices, showcasing the importance of innovation in technology.