Eiji Mayumi is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of motor technology, holding a total of 6 patents. His innovative designs focus on improving the efficiency and functionality of stepping motors.

Latest Patents

One of his latest patents is for a motor with an improved rotary shaft supporting structure. This stepping motor features a rotor with a permanent magnet and a rotary shaft extending from the rotor. The design includes a stator core placed at one end of the motor's axial line, along with a bearing plate that supports the rotary shaft. The stator core is designed with salient poles that bend to oppose the permanent magnet, enhancing the motor's performance. Another recent patent involves a motor with a stator that has both inner and outer cores. This design simplifies the structure while ensuring that the magnetic circuits are securely formed.

Career Highlights

Eiji Mayumi has worked with prominent companies in the industry, including Sankyo Seiki Manufacturing Co., Ltd. and Kabushiki Kaisha Sankyo Seiki Seisakusho. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Throughout his career, Eiji has collaborated with talented individuals such as Yasuhiro Ota and Kazuyo Okajima. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Eiji Mayumi's work in motor technology exemplifies innovation and dedication. His patents reflect a commitment to enhancing motor efficiency and functionality, making him a significant figure in the field.

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