Motoyasu Nakao

Title: Motoyasu Nakao: Innovator in Ultrasonic Technology

Introduction

Motoyasu Nakao is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of ultrasonic technology, holding a total of 10 patents. His work focuses on developing advanced ultrasonic apparatuses that enhance measurement and signal processing capabilities.

Latest Patents

Nakao's latest patents include innovative ultrasonic apparatuses designed to improve functionality and efficiency. One of his inventions features an ultrasonic apparatus that comprises a transmitting circuit, an ultrasonic transducer, a receiving circuit, and a capacitance measuring circuit. This ultrasonic transducer is a three-terminal device that includes a transmitting electrode, a receiving electrode, and a common electrode. The transmitting circuit outputs a driving signal to the transmitting electrode, enabling the ultrasonic transducer to emit ultrasonic waves. The receiving circuit captures a receive signal from the receiving electrode, while the capacitance measuring circuit is connected to the receiving electrode to measure the electrostatic capacitance of the ultrasonic transducer.

Another notable patent involves an ultrasonic apparatus that includes an ultrasonic transducer, a transmitting circuit, a receiving circuit, a Q-factor measuring circuit, and a frequency measuring circuit. Similar to his previous invention, this ultrasonic transducer also features a three-terminal design. The transmitting circuit outputs a driving signal to the transmitting electrode, allowing the ultrasonic transducer to transmit ultrasonic waves. The receiving circuit receives a signal from the receiving electrode, while the frequency measuring circuit determines the resonant frequency of the ultrasonic transducer from a reverberation signal in the receive signal. Additionally, the Q-factor measuring circuit assesses the Q factor of the ultrasonic transducer based on the reverberation signal.

Career Highlights

Motoyasu Nakao is currently associated with Murata Manufacturing Co., Ltd., a leading company in the electronics industry. His work at Murata has allowed him to push the boundaries of ultrasonic technology and contribute to various applications in the field.

Collaborations

Throughout his career, Nakao has collaborated with talented individuals such as Akihiro Sasabata and Shigekazu Okamoto. These collaborations have fostered innovation and have led to the development of cutting-edge technologies in ultrasonic applications.

Conclusion

Motoyasu Nakao's contributions to ultrasonic technology are noteworthy, with a total of 10 patents that reflect his innovative spirit. His