Satoru Tomisawa

Title: Satoru Tomisawa: Innovator in Differential Signal Processing

Introduction

Satoru Tomisawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of signal processing, particularly in the development of differential mixers and variable gain amplifiers. With a total of 9 patents to his name, Tomisawa continues to push the boundaries of technology.

Latest Patents

One of his latest patents is a differential mixer and method designed to reduce leak components of a local oscillation differential signal. This invention includes a mixer core unit that processes high-frequency signals and outputs an intermediate frequency differential signal. It also features a common feedback unit that applies a bias voltage to the high-frequency signal, ensuring that the leak component remains at a predetermined value or less.

Another notable patent is a variable gain amplifier that corrects DC offset voltage through simpler control mechanisms. This differential output type amplifier includes a first voltage correction unit and a second voltage correction unit, which work together to manage potential differences and attenuate DC offset voltage in the differential output.

Career Highlights

Satoru Tomisawa is currently employed at Renesas Electronics Corporation, where he continues to innovate in the field of electronics. His work has been instrumental in advancing technologies that enhance signal processing capabilities.

Collaborations

Tomisawa has collaborated with notable colleagues such as Noriaki Matsuno and Hiroaki Matsui. Their combined expertise has contributed to the successful development of various technologies in their field.

Conclusion

Satoru Tomisawa is a distinguished inventor whose work in differential signal processing has led to significant advancements in technology. His innovative patents and collaborations reflect his commitment to excellence in the field.