Makoto Maruyama

Title: The Innovations of Makoto Maruyama

Introduction

Makoto Maruyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electric motor control technology. With a total of four patents to his name, Maruyama's work has had a notable impact on the efficiency and functionality of synchronous electric motors.

Latest Patents

Maruyama's latest patents include a control device and control method for synchronous electric motors. One of his inventions features a control device that switches between PWM drive control and rectangular wave drive control. This device includes a PWM signal generator, a rectangular wave signal generator, a rotation speed detector, a signal switching determination part, and a drive controller. Another patent focuses on a control device that sets a limit value for an output torque related to the motor's rotation speed. This device generates a voltage command based on an input command and the limit value, controlling the motor's drive using a PWM signal.

Career Highlights

Makoto Maruyama is currently employed at Sinfonia Technology Co., Ltd. His work at this company has allowed him to develop innovative solutions that enhance the performance of electric motors. His expertise in control devices has positioned him as a key figure in the industry.

Collaborations

Maruyama has collaborated with notable colleagues such as Kazunari Kanazawa and Takeshi Tomizaki. These partnerships have contributed to the advancement of technology in the field of electric motor control.

Conclusion

Makoto Maruyama's contributions to the field of electric motor technology are significant and impactful. His innovative patents and collaborations highlight his dedication to advancing this important area of engineering.