Yuzo Koyanagi

Title: Yuzo Koyanagi: Innovator in Actuator Control Technologies

Introduction

Yuzo Koyanagi is a prominent inventor based in Warabi, Japan, known for his significant contributions to actuator control technologies. With a total of five patents to his name, Koyanagi has developed innovative methods that enhance the performance and efficiency of various actuators.

Latest Patents

Koyanagi's latest patents include a "Method of Controlling Actuator by Applying Driving Pulse" and a "Method of Controlling Hydraulic Actuator." The first patent describes a controlling method for pulse application to an actuator using a digital controller. This method involves obtaining a deviation from a command value and its feedback value, determining whether the absolute value of the deviation exceeds a minimum reference deviation, and driving the actuator accordingly. The second patent focuses on controlling the rotational phase angle of the fuel injection pump in automobiles. It ensures satisfactory exhaust gas composition and appropriate fuel consumption during the engine's warm-up period by adjusting the command pulse signal based on the detected oil temperature in the hydraulic actuator.

Career Highlights

Koyanagi is currently employed at Sanwa Seiki Mfg. Co. Ltd., where he continues to innovate and develop advanced actuator control systems. His work has significantly impacted the automotive and industrial sectors, leading to improved efficiency and performance in various applications.

Collaborations

Throughout his career, Koyanagi has collaborated with notable colleagues, including Tetuo Koike and Takayuki Suzuki. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Yuzo Koyanagi's contributions to actuator control technologies exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of engineering principles and a commitment to improving the functionality of actuators in various applications.