Makoto Shiomi

Title: Inventor Makoto Shiomi: A Pioneer in Vibration Wave Motor Technology

Introduction

Makoto Shiomi, an innovative inventor based in Yokohama, Japan, has made significant contributions to the field of motor technology. With a remarkable portfolio of seven patents, Shiomi's work primarily focuses on enhancing the performance and control of vibration wave motors. Through his groundbreaking inventions, he addresses vital challenges in speed control and efficiency.

Latest Patents

Shiomi's most recent patents include a "Method of Driving Vibration Wave Motor" and a "Drive Control Device of Vibration Wave Motor." The first innovation provides a sophisticated approach to controlling the frequency of an AC voltage applied to a vibration wave motor. This method ensures accurate frequency adjustments based on the difference between actual and target rotational speeds, allowing for seamless operation without requiring pre-stored frequency-rotational speed characteristics.

The second patent focuses on a control device designed to eliminate abnormal noise during the start and stop phases of the vibration wave motor. By implementing a frequency control circuit and a voltage control circuit, this invention allows for a gradual reduction of voltage and a precise adjustment of frequency, ensuring a smooth operation and maintaining the desired rotational speed.

Career Highlights

Throughout his career, Makoto Shiomi has worked with notable companies, including Hitachi, Ltd. and Hitachi Video Engineering, Incorporated. His tenure in these organizations has allowed him to develop and refine his expertise in the field, leading to his impressive portfolio of patents.

Collaborations

Shiomi has collaborated with esteemed colleagues such as Michitaka Ohsawa and Kuninori Matsumi. Their collective efforts have fostered innovative advancements in vibration wave motor technology, demonstrating the strength of teamwork in the pursuit of engineering excellence.

Conclusion

Makoto Shiomi stands out as a significant figure in the realm of motor technology, with his contributions greatly impacting the efficiency and performance of vibration wave motors. His innovative approach and collaborative spirit exemplify the characteristics of a dedicated inventor, paving the way for future advancements in this critical field.