Junji Katsuta

Title: Inventor Junji Katsuta: Pioneering Motor Control Technology

Introduction

Junji Katsuta, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of motor control technology. With a singular patent to his name, his innovative work is recognized within the industry, particularly at the renowned Sony Corporation.

Latest Patents

Katsuta's notable patent is for a motor control apparatus. This innovative device includes a servo circuit that outputs a pulse width modulation signal, a low-pass filter to smooth the signal, and a driver circuit that powers a brushless sensorless motor. The servo circuit is adept at controlling the pulse width of the modulation signal to sustain the motor's rotational speed at a predetermined target. This is achieved by interpreting an FG pulse signal that reflects the motor's rotational speed through its frequency. Additionally, this motor control apparatus features a rotational speed changing means, which allows for a gradual transition of voltage output by the driver circuit in response to a control start signal, optimizing motor performance.

Career Highlights

Junji Katsuta has established himself as a valuable asset within Sony Corporation, exemplifying excellence in technological innovation. His expertise is particularly recognized in the design and implementation of motor control systems, which are vital for various applications in electronics and robotics.

Collaborations

Throughout his career, Katsuta has had the privilege of working alongside notable colleagues, including Seiryu Takayama and Reiichi Sato. Their collaborative efforts have fostered an environment of innovation, further enhancing the development of cutting-edge technologies within the company.

Conclusion

Junji Katsuta's contributions to the field of motor control technologies stand as a testament to the dedication and innovation present in today's engineering landscape. His patented motor control apparatus is a significant milestone that showcases his expertise and commitment to advancing technology, paving the way for future innovations in the industry.