Masanori Sumhara

Title: **Masanori Sumhara: Innovator in Ultrasonic Motor Control**

Introduction

Masanori Sumhara, an inventive mind from Higashiosaka, Japan, has made a significant contribution to the field of ultrasonic motor control. His innovative approach focuses on enhancing the performance of ultrasonic motors, making them more efficient and reliable in various applications.

Latest Patents

Sumhara holds a patent for a method and apparatus designed for controlling the moving velocity of an ultrasonic motor. This invention involves a vibration body that generates ultrasonic vibrations in response to two alternating current (AC) driving voltage signals. These signals possess a common frequency and amplitude, while having differing phases. The method comprises several key steps: detecting the moving body’s velocity, comparing that velocity against a predetermined standard, and adjusting the frequency and amplitude or phase difference of the AC signals based on the comparison results. This sophisticated technique allows for precise control over the ultrasonic motor's speed, showcasing Sumhara's ingenuity in this technological space.

Career Highlights

Masanori Sumhara has spent his professional career at Matsushita Electric Industrial Co., Ltd., a company renowned for its advancements in electronic and electrical equipment. His work has been instrumental in driving forward innovations that enhance the functionality and performance of various electronic devices.

Collaborations

Throughout his career, Sumhara has collaborated with skilled colleagues, including Osamu Kawasaki and Tetsuro Ohtsuchi. These partnerships have fostered a collaborative environment that promotes innovative ideas and the development of cutting-edge technologies.

Conclusion

Masanori Sumhara's contributions to the field of ultrasonic motor control reflect his dedication to innovation and advancement in technology. His patented method not only demonstrates his expertise but also sets a precedent for future developments in motor technology. As engineers and inventors continue to build on such foundational work, the impact of Sumhara's innovations is sure to be felt for years to come.