Hiroyuki Ishihara

Title: Hiroyuki Ishihara: Innovator in Rotary Electric Machines

Introduction

Hiroyuki Ishihara is a notable inventor based in Shizuoka-ken, Japan. He has made significant contributions to the field of rotary electric machines, holding a total of 6 patents. His work focuses on enhancing the performance and efficiency of electric motors, particularly in vehicle applications.

Latest Patents

One of Ishihara's latest patents is a motor-generator with an adjustable axial gap for vehicles. This innovative rotary electric machine allows for optional adjustment of output characteristics, making it highly versatile for electric motor vehicles. The design includes a rotary shaft, a rotor connected to the shaft, and a stator positioned opposite the rotor. Additionally, it features a stepping motor that serves as an adjusting motor, enabling precise control over the rotor's position relative to the stator. Another significant patent is for a rotary electrical machine that includes a rotational shaft supported by a housing. This machine utilizes a rotor coupled with the shaft and a stator fixed to the housing, which faces the rotor. A unique rotor position changing mechanism allows for axial movement of the rotor, thereby controlling the strength of the magnetic field between the rotor and the stator.

Career Highlights

Throughout his career, Ishihara has worked with prominent companies such as Yamaha Hatsudoki Kabushiki Kaisha and Yamaha Motor Company Ltd. His experience in these organizations has contributed to his expertise in developing advanced electric motor technologies.

Collaborations

Ishihara has collaborated with talented individuals in the field, including Haruyoshi Hino and Junji Terada. These partnerships have fostered innovation and have led to the development of cutting-edge technologies in rotary electric machines.

Conclusion

Hiroyuki Ishihara's contributions to the field of rotary electric machines demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of electric motor technology, making him a significant figure in the industry.