Kazumasa Onishi

Title: Kazumasa Onishi: A Pioneer in Ultrasonic and Electrostriction Motor Development

Introduction

Kazumasa Onishi, hailing from Niigata, Japan, is a prominent inventor known for his innovative contributions to the field of motor technology. With a total of four patents to his name, Onishi has made significant advancements in the design and functionality of ultrasonic and electrostriction motors.

Latest Patents

One of Kazumasa Onishi's latest patents is the development of an ultrasonic linear motor. This innovative motor utilizes one or two legs to drive a rail, with the legs being vibrated by piezoelectric elements mounted at an angle to the leg, facilitating efficient movement. The legs, in conjunction with a connecting body, are made from an elastic material such as aluminum, enhancing the motor's performance.

Another groundbreaking invention by Onishi is the electrostriction motor, which features an oscillator equipped with an electrostriction element bonded to an elastic solid. In this design, a moving solid is in contact with the phase boundary of the elastic solid. The electrostriction element is polarized in the direction of movement, allowing the motor to be driven by a single-phase cycle voltage. This results in a simplified supply power circuit and wiring, showcasing Onishi's ability to enhance motor efficiency.

Career Highlights

Kazumasa Onishi's career is marked by his role as an innovator at Alps Electric Co., Ltd. Through his work, he has focused on the advancement of motor technologies, leading to patents that have the potential to revolutionize the industry. His dedication to innovation is evident in the successful development of his patented technologies, which have applications in various mechanical systems.

Collaborations

Throughout his illustrious career, Onishi has collaborated with esteemed colleagues, including Koichi Mukasa and Takashi Hatanai. These collaborations have fostered an environment of shared knowledge and creativity, contributing to the successful completion of multiple projects and patents in innovative motor technologies.

Conclusion

Kazumasa Onishi continues to be a significant figure in the realm of motor invention, demonstrating a commitment to pushing the boundaries of technology. His inventions, particularly in ultrasonic and electrostriction motors, reflect his innovative spirit and dedication to enhancing mechanical efficiency. As he progresses in his career at Alps Electric Co., Ltd., Onishi's contributions will undoubtedly inspire future generations of inventors and engineers.