Tomohisa Shigematsu

Title: The Innovative Contributions of Tomohisa Shigematsu

Introduction

Tomohisa Shigematsu is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of nine patents. His work has had a profound impact on the development of programmable logic units and semiconductor memory devices.

Latest Patents

Shigematsu's latest patents include a "Configurable logic element with independently clocked outputs" and a "Manufacturing method for a floating gate semiconductor memory device." The first patent describes a programmable logic unit circuit that incorporates a data memory circuit, a combinational logic circuit, and a clock-synchronized circuit. This innovative design allows for the selection of input signals based on stored data, enhancing the functionality of logic circuits. The second patent outlines a manufacturing method for a semiconductor memory device, detailing the steps for forming field oxide films and gate oxide films on a semiconductor substrate. This method includes the creation of floating gates and control gates, which are essential for the operation of memory devices.

Career Highlights

Throughout his career, Shigematsu has worked with prominent companies such as Toshiba Corporation and Tokyo Shibaura Electric Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in technology.

Collaborations

Shigematsu has collaborated with esteemed colleagues, including Yasoji Suzuki and Tadashi Maruyama. Their combined expertise has fostered an environment of innovation and creativity in their respective fields.

Conclusion

Tomohisa Shigematsu's contributions to semiconductor technology and his impressive portfolio of patents highlight his role as a leading inventor. His work continues to influence the industry and pave the way for future innovations.