Katsuyuki Nagai

Title: Innovations of Katsuyuki Nagai

Introduction

Katsuyuki Nagai is a notable inventor based in Sennan, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of washing machine technology. His innovative approach has led to the creation of a unique patent that enhances the efficiency of three-phase induction motors.

Latest Patents

Katsuyuki Nagai holds a patent for a washing machine that features a sophisticated control system. This system allows for independent command of the torque current component and the exciting current component of primary AC currents supplied to the stator of a three-phase induction motor. The control is based on the command rotational angular velocity and the actual rotational angular velocity of the motor, which drives the agitator. The innovation includes a method for estimating the laundry amount based on the output torque of the motor during a test operation, ensuring optimal performance.

Career Highlights

Nagai is associated with Matsushita Electric Industrial Co., Ltd., a leading company in the electronics industry. His work there has been instrumental in advancing washing machine technology, contributing to the company's reputation for innovation and quality. With a focus on practical applications, he has successfully integrated advanced control mechanisms into everyday appliances.

Collaborations

Throughout his career, Katsuyuki Nagai has collaborated with talented individuals such as Sadahiro Matsuura and Shigeru Satou. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Katsuyuki Nagai's contributions to washing machine technology exemplify the spirit of innovation in the field of electrical engineering. His patent reflects a deep understanding of motor control and efficiency, marking him as a significant figure in the industry.