Toshihiro Sekigawa

Title: Innovations of Toshihiro Sekigawa

Introduction

Toshihiro Sekigawa is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of electronics, particularly in the development of multiplexers and SRAM cells. With a total of 8 patents to his name, Sekigawa continues to push the boundaries of technology.

Latest Patents

One of his latest patents is a multiplexer and integrated circuit that utilizes a unique configuration of transmission gates. This multiplexer includes a plurality of transmission gates formed by four-terminal double insulated gate N-type and P-type field effect transistors connected in parallel. The design features a first threshold voltage control node connected to one of the gates of the N-type gate field effect transistor, with a resistor linking it to a threshold voltage control voltage source. Similarly, one of the gates of the P-type gate field effect transistor is connected to a second threshold voltage control node, which is also linked to a second threshold voltage control voltage source through a resistor.

Another notable invention is an SRAM cell that overcomes the constraints on the size of transistors, enabling stabilized write and read operations. This SRAM cell is designed to have fewer control signal lines per port and can be easily multi-ported for both read and write operations through a single bit line. It includes a feedback control transistor that manages the connection or disconnection of a positive feedback circuit between two inverters, along with a write control transistor and a read control transistor connected to a single bit line.

Career Highlights

Toshihiro Sekigawa is affiliated with the National Institute of Advanced Industrial Science and Technology, where he conducts his research and development work. His innovative approach has led to advancements in electronic components that are crucial for modern technology.

Collaborations

Sekigawa has worked alongside notable colleagues such as Hanpei Koike and Eiichi Suzuki, contributing to various projects that enhance the capabilities of electronic devices.

Conclusion

Toshihiro Sekigawa's contributions to the field of electronics through his patents and innovative designs have made a significant impact. His work continues to inspire advancements in technology, showcasing the importance of innovation in the industry.