Katsuyuki Izumisawa

Title: Innovations of Katsuyuki Izumisawa

Introduction

Katsuyuki Izumisawa is a notable inventor based in Hitachinaka, Japan. He has made significant contributions to the field of electric motor technology, particularly in the development of control apparatuses for permanent magnet electric motors. With a total of 2 patents to his name, Izumisawa's work is recognized for its innovative approach to enhancing motor efficiency and performance.

Latest Patents

Izumisawa's latest patents focus on a control apparatus for permanent magnet electric motors used in electric vehicles. This apparatus includes a device that operates an initial magnetic pole location based on three-phase magnetic pole location signal pulses upon starting the electric motor vehicle. It also features a mechanism for determining the current supplied to the motor based on the magnetic pole phase and a torque reference value. The design aims to reduce the microcomputer processing burden during high-speed rotation by revising the magnetic pole phase based on the magnetic pole location signal of any one phase among the three-phase signals.

Career Highlights

Katsuyuki Izumisawa is currently employed at Hitachi, Ltd., where he continues to innovate in the field of electric motor technology. His work has contributed to advancements in electric vehicle performance and efficiency, making a significant impact on the industry.

Collaborations

Izumisawa has collaborated with notable coworkers, including Sanshiro Obara and Toshisada Mitsui. Their combined expertise has fostered a collaborative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Katsuyuki Izumisawa's contributions to electric motor technology exemplify the spirit of innovation. His patents reflect a commitment to improving the efficiency and performance of electric vehicles, marking him as a significant figure in the field.