Norihiko Hatano

Title: Norihiko Hatano: Innovator in Direct Drive Motor Systems

Introduction

Norihiko Hatano is a prominent inventor based in Tokyo, Japan. He is known for his significant contributions to robotics, particularly in the development of advanced motor systems. His innovative work has led to the creation of a direct drive motor system that enhances the functionality of multi-jointed robots.

Latest Patents

Hatano holds a patent for a direct drive motor system designed for controlling the driving of the joints of a multi-jointed robot. This system includes a motor portion, a rotation detecting portion, a position control portion, a speed control portion, a driving circuit, and a tuning portion. The motor portion is of an inductor type, while the rotation detection portion utilizes either an optical rotary encoder or a magnetic resolver. The position control portion operates in a feedback manner, utilizing a tertiary servo system with software to manage the motor's rotational position. The driving circuit features a feedback control loop for the motor coil's current, and the detection circuit incorporates a small signal isolator. The tuning portion is responsible for adjusting the servo systems of both the speed control and position control portions, ensuring that the system meets various operational requirements.

Career Highlights

Norihiko Hatano is currently employed at Yokogawa Electric Corporation, where he continues to innovate in the field of robotics and motor systems. His work has been instrumental in advancing the capabilities of robotic technologies.

Collaborations

Hatano has collaborated with notable colleagues, including Yutaka Ono and Yayoi Tsuchiya, contributing to the development of cutting-edge technologies in their field.

Conclusion

Norihiko Hatano's contributions to the field of robotics through his direct drive motor system patent exemplify his innovative spirit and dedication to advancing technology. His work continues to influence the development of multi-jointed robots, showcasing the importance of innovation in engineering.