Nobuyuki Toyoda

Title: Nobuyuki Toyoda: Innovator in Integrated Circuit Technology

Introduction

Nobuyuki Toyoda is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of integrated circuits, holding a total of 8 patents. His work focuses on enhancing the performance and functionality of electronic devices through innovative circuit designs.

Latest Patents

One of Toyoda's latest patents is an IC chip test circuit for high-frequency integrated circuits. This invention involves an IC device that integrates high-frequency circuits for testing the characteristics of the IC body on a single chip. The test circuits include an L-H frequency conversion circuit on the input side and an H-L frequency conversion circuit on the output side. These circuits can switch their connection state in response to an external control signal and can be disconnected from the IC body after testing is completed. Another notable patent is a method of making a GaAs JFET with a self-aligned p-type gate. This process involves forming an n-type active layer on a GaAs substrate and using a gate electrode as a mask for ion implantation, ultimately creating a p-type gate region and activating the n-type impurity to form source and drain regions.

Career Highlights

Throughout his career, Nobuyuki Toyoda has worked with notable companies such as Kabushiki Kaisha Toshiba and Tokyo Shibaura Denki Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of electronics.

Collaborations

Some of Toyoda's coworkers include Akimichi Hojo and Toshiyuki Terada. Their collaboration has contributed to the advancement of technology in integrated circuits and semiconductor devices.

Conclusion

Nobuyuki Toyoda's contributions to integrated circuit technology have made a lasting impact on the industry. His innovative patents and collaborations with esteemed colleagues highlight his dedication to advancing electronic technology.