Norio Umezawa

Title: Norio Umezawa: Innovator in Electric Motor Technology

Introduction

Norio Umezawa is a prominent inventor based in Takefu, Japan. He has made significant contributions to the field of electric motor technology, holding a total of 8 patents. His innovative designs focus on improving the efficiency and functionality of electric motors.

Latest Patents

Umezawa's latest patents include a torque transmission unit of a motor and an electric motor with an adhesively mounted magnet yoke. The torque transmission unit features a worm wheel engaged with a worm of an armature, housed within a gear casing. This design allows for effective torque transmission through a damper integrated with an output disk. The electric motor patent showcases a cylindrical frame that is thinner than conventional designs, combined with a tubular inner yoke that serves as a magnetic path. This construction not only reduces the overall weight of the motor but also maintains the necessary magnetic properties.

Career Highlights

Umezawa has spent a significant portion of his career at Matsushita Electric Industrial Co., Ltd., where he has been instrumental in developing advanced electric motor technologies. His work has led to innovations that enhance the performance and reduce the weight of electric motors, making them more efficient for various applications.

Collaborations

Throughout his career, Umezawa has collaborated with notable colleagues such as Takemi Ueda and Yohji Maki. These partnerships have fostered a creative environment that has contributed to the development of groundbreaking technologies in the electric motor sector.

Conclusion

Norio Umezawa's contributions to electric motor technology have established him as a key figure in the field. His innovative patents and collaborative efforts continue to influence the industry, paving the way for future advancements.