Katsumi Shiokawa

Title: Katsumi Shiokawa: Innovator in Regenerative Current Detection Systems

Introduction

Katsumi Shiokawa is a notable inventor based in Kawasaki, Kanagawa, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of advanced current detection systems. His innovative work has led to the creation of a patent that enhances the efficiency of motor control systems.

Latest Patents

Katsumi Shiokawa holds a patent for a regenerative current detection circuit, charge current detection circuit, and motor current detection system. This invention includes a first power MOS transistor configured as a current mirror to a second power MOS transistor, which is connected to drive a motor winding. The system features a first feedback amplifier that compares the regenerative currents flowing through the two transistors and outputs a comparison result. The first regenerative current is obtained by multiplying the second regenerative current by a current mirror ratio, and a current detection circuit outputs a detection current based on this comparison result. This innovative approach significantly improves the performance of motor control systems.

Career Highlights

Katsumi Shiokawa is currently employed at Kabushiki Kaisha Toshiba, a leading company in technology and electronics. His work at Toshiba has allowed him to collaborate with other talented engineers and contribute to cutting-edge projects in the field.

Collaborations

Throughout his career, Katsumi has worked alongside esteemed colleagues such as Daisuke Arai and Tooru Asakawa. Their collaborative efforts have fostered an environment of innovation and creativity, leading to advancements in technology.

Conclusion

Katsumi Shiokawa's contributions to regenerative current detection systems exemplify his dedication to innovation in electrical engineering. His patent and work at Toshiba highlight the importance of collaboration and creativity in advancing technology.