Takao Sawahata

Title: Takao Sawahata: Innovator in Motor Technology

Introduction

Takao Sawahata is a notable inventor based in Takefu, Japan. He has made significant contributions to the field of motor technology, particularly with his innovative designs that incorporate permanent magnets.

Latest Patents

One of his key patents is for a motor with a permanent magnet. This motor features a stator with multiple teeth designed to receive windings, a yoke connected to each tooth, and a rotor equipped with permanent magnets that face the stator. The design includes an air-gap between the inner wall surface of each tooth and the rotor. Each tooth is separated from adjacent teeth by a slot-open-section, which extends from the tailing end of one tooth to the leading end of the next. The inner wall surface of each tooth has an arc that extends from the center of the slot-open-section toward the tailing end. Notably, the air-gap at the tailing end of each tooth is greater than that at the leading end. Additionally, the inner wall surface includes a straight-line tailing section that extends tangentially from the arc.

Career Highlights

Takao Sawahata is associated with Matsushita Electric Industrial Co., Ltd., where he has been able to apply his innovative ideas in a practical setting. His work has contributed to advancements in motor technology, enhancing efficiency and performance.

Collaborations

He has collaborated with notable coworkers such as Yoshinari Asano and Yukio Honda, further enriching the innovative environment at Matsushita Electric.

Conclusion

Takao Sawahata's contributions to motor technology, particularly through his patent for a motor with permanent magnets, highlight his role as a significant inventor in the field. His work continues to influence advancements in motor design and efficiency.