Yasushi Yamamoto

Title: Yasushi Yamamoto: Innovator in Displacement and High-Frequency Amplifying Technologies

Introduction

Yasushi Yamamoto is a notable inventor based in Nagaokakyo, Japan. He has made significant contributions to the fields of displacement sensors and high-frequency amplifying integrated circuits. With a total of 2 patents to his name, his work showcases innovative solutions that enhance technology in various applications.

Latest Patents

Yamamoto's latest patents include a displacement sensor that features a voltage converting unit containing a resistor connected to a piezoelectric element. This sensor is designed to precisely detect the amount of displacement applied by an operator. The touch sensor, a variant of the displacement sensor, incorporates a piezoelectric element, a voltage converting unit, and a detecting unit. The piezoelectric element generates a voltage that is proportional to the pressing force, while the voltage converting unit transforms this voltage into a value based on a predetermined time constant. The detecting unit then integrates the output voltages to calculate the pressing force accurately.

Another significant patent is for a high-frequency amplifying integrated-circuit device. This device aims to reduce variations in gain while being manufactured at a lower cost compared to previous models. It consists of a semiconductor substrate and a transistor with multiple electrodes. The design allows for high-frequency signals to be amplified efficiently, with specific grounding techniques employed to enhance performance.

Career Highlights

Yasushi Yamamoto is currently associated with Murata Manufacturing Co., Ltd., a leading company in the electronics industry. His work at Murata has allowed him to focus on developing cutting-edge technologies that address modern challenges in electronics and sensor applications.

Collaborations

Yamamoto has collaborated with notable coworkers, including Toru Ishii and Tsutomu Yonemitsu. Their combined expertise has contributed to the advancement of innovative technologies within their field.

Conclusion

Yasushi Yamamoto's contributions to the fields of displacement sensors and high-frequency amplifying devices highlight his role as a significant innovator. His patents reflect a commitment to enhancing technology and improving user experiences in various applications.