Hidetoshi Koka

Title: Hidetoshi Koka: Innovator in Electrical Rotating Machines

Introduction

Hidetoshi Koka is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of electrical engineering, particularly in the design of electrical rotating machines. His innovative approach has led to the development of a unique patent that enhances the efficiency of such machines.

Latest Patents

Hidetoshi Koka holds a patent for an electrical rotating machine that utilizes permanent magnets. This machine is designed with a specific configuration where the ratio of the number of magnetic poles of permanent magnets to the number of magnetic poles of coils is either 10:9 or 8:9. The coils are arranged such that a middle coil U− and two adjacent coils U+ on both sides are in-phase connected, creating a more efficient operation. The relationship between the turn numbers of these coils is also carefully defined, ensuring optimal performance.

Career Highlights

Koka's career is marked by his dedication to advancing electrical machinery. He works at Kokusan Denki Co., Ltd., where he continues to innovate and develop new technologies. His work has not only contributed to his company but has also had a broader impact on the industry.

Collaborations

Throughout his career, Hidetoshi Koka has collaborated with talented individuals such as Hiroshi Kanazawa and Susumu Terumoto. These partnerships have fostered an environment of creativity and innovation, leading to advancements in their respective fields.

Conclusion

Hidetoshi Koka's contributions to electrical rotating machines exemplify the spirit of innovation. His patent reflects a deep understanding of engineering principles and a commitment to improving technology. His work continues to inspire future advancements in the field.