Shigeru Sugayama

Title: Shigeru Sugayama: Innovator in Semiconductor Technology

Introduction

Shigeru Sugayama is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work focuses on enhancing the accuracy and reliability of temperature sensing circuits and methods.

Latest Patents

Among his latest patents is a temperature sensing circuit for voltage drive type semiconductor devices and a corresponding temperature sensing method. This innovation involves connecting a resistor with a positive temperature coefficient between the gate terminal and the insulated gate electrode of the voltage drive type semiconductor device. The temperature is sensed based on a voltage representing a voltage drop across the resistor in a specific circuit portion. Another significant patent is related to a semiconductor switching circuit, where a fraction of current passing through the P-emitter region and N-base region of a thyristor is by-passed to the base-emitter junction of a PNP transistor. This design allows for a more efficient control of the thyristor, reducing the need for additional external power.

Career Highlights

Shigeru Sugayama has worked with various companies, including Haramachi Semi-Hitachi Ltd. His career is marked by a commitment to advancing semiconductor technology and improving device performance.

Collaborations

He has collaborated with notable coworkers such as Tadaaki Kariya and Tatsuo Shimura, contributing to various projects and innovations in the semiconductor field.

Conclusion

Shigeru Sugayama's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to impact the development of reliable and efficient semiconductor devices.