Shigeo Kamikura

Title: Shigeo Kamikura: Innovator in Step Motor Technology

Introduction

Shigeo Kamikura is a notable inventor based in Kodaira, Japan, recognized for his contributions to step motor technology. With a total of seven patents to his name, Kamikura has made significant advancements in the control and operation of step motors, which are widely used in various applications.

Latest Patents

Kamikura's latest patents include a step motor control system designed to enable variable high-speed rotation similar to that of a brushless motor. This innovative system detects a position signal indicating the rotor's position relative to specific field windings. The signal is compared with a reference voltage to identify the rotor's angular position, facilitating selective energization and de-energization of the field windings for the next stepping operation. Additionally, he developed a driving device for a stepping motor that allows for accurate position detection without the need for adjustments. This device measures current flow in the energized phase's field winding and compares it with a simulated saturation curve to determine the rotor's current position.

Career Highlights

Throughout his career, Shigeo Kamikura has worked with companies such as Silver Seiko Ltd. and Silver Seiko Co., Ltd. His expertise in step motor technology has positioned him as a key figure in the field, contributing to advancements that enhance the performance and reliability of step motors.

Collaborations

Kamikura has collaborated with notable individuals in the industry, including Kensuke Uemura and Yasushi Ema. These partnerships have likely fostered innovation and the exchange of ideas, furthering the development of step motor technologies.

Conclusion

Shigeo Kamikura's work in step motor technology exemplifies the impact of innovation in engineering. His patents and career achievements highlight his dedication to advancing motor control systems, making significant contributions to the field.