Hisayuki Miyajima

Title: Hisayuki Miyajima: Innovator in Electric Motor Technology

Introduction

Hisayuki Miyajima is a notable inventor based in Ueda, Japan. He has made significant contributions to the field of electric motor technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

Miyajima's latest patents include an airtight-type electric motor designed to reduce vibration. This motor features a unique arrangement where inside ribs of a pair of end brackets fit into the core end portions of a stator core. The outside ribs of these end brackets contact the end surfaces of the core end portions of a yoke, allowing for a secure fit without coupling the housing and stator core together. Another significant patent involves a synchronous motor and a rotation control method, which includes a stator with AC windings and a rotor made of permanent magnet. This design aims to provide a reliable synchronous motor and inverter that minimizes the step-out phenomenon during acceleration and deceleration.

Career Highlights

Throughout his career, Miyajima has worked with prominent companies such as Sanyo Denki Co., Ltd. and Hitachi Industrial Equipment Systems Co., Ltd. His experience in these organizations has contributed to his development of advanced motor technologies.

Collaborations

Miyajima has collaborated with notable coworkers, including Shigenori Miyairi and Ikuo Takeshita. Their combined expertise has likely fostered innovative solutions in the field of electric motors.

Conclusion

Hisayuki Miyajima's contributions to electric motor technology through his patents and career achievements highlight his role as a significant inventor in the industry. His work continues to influence advancements in motor design and functionality.