Hisashi Otsuka

Title: Hisashi Otsuka: Innovator in Permanent Magnet Motor Technology

Introduction

Hisashi Otsuka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of servomotors and permanent magnet motors. With a total of 3 patents to his name, Otsuka continues to push the boundaries of innovation in his field.

Latest Patents

One of Hisashi Otsuka's latest patents is focused on a rotor for a permanent magnet motor. This innovative design includes a magnetic pole portion that features a magnetic body formed in an annular shape. Additionally, the rotor incorporates a field portion that is positioned adjacent to the magnetic pole portion in an axial direction. This field portion consists of a permanent magnet, which can either have a multipole structure or be composed of multiple permanent magnets with a monopole structure. The design is engineered to direct the magnetic flux generated by the permanent magnet in the axial direction, thereby creating magnetic poles on the outer circumferential surface of the magnetic pole portion.

Career Highlights

Hisashi Otsuka is currently employed at Mitsubishi Electric Corporation, where he applies his expertise in electrical engineering to develop cutting-edge technologies. His work has been instrumental in advancing the capabilities of servomotors and enhancing the efficiency of permanent magnet motors.

Collaborations

Throughout his career, Otsuka has collaborated with talented individuals such as Kenta Ozaki and Hiroki Kobayashi. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Hisashi Otsuka is a notable inventor whose work in permanent magnet motor technology has made a significant impact in the field of electrical engineering. His innovative designs and collaborations continue to inspire advancements in technology.