Shiho Ohya

Title: Shiho Ohya: Innovator in Magnetic Technologies

Introduction

Shiho Ohya is a notable inventor based in Kitasaku-gun, Japan. She has made significant contributions to the field of magnetic technologies, holding a total of 3 patents. Her work focuses on the development of advanced materials and motors that enhance performance and efficiency.

Latest Patents

One of her latest patents is for a rare earth bonded magnet. This innovative magnet comprises a rare earth-iron-based magnetic powder and a thermosetting resin composition. The thermosetting resin composition is created by blending a dicyclopentadiene type epoxy resin as a base resin with dicyandiamide as a curing agent. The epoxy resin includes a specific structure where the average value of a repeating unit n is between 1 and 3.

Another significant patent is for an inner rotor-type permanent magnet motor with annular magnetic poles. This motor features poles with a remanence of 0.9 T or more, a coercivity of 0.80 MA/m or more, and a maximum energy product of 150 kJ/m or more. The design sets a center point of the magnetic poles in a circumferential direction on the rotor's outer circumferential surface to a maximum thickness, optimizing the motor's performance.

Career Highlights

Shiho Ohya has worked with prominent companies such as Minebea Mitsumi Inc. and Minebea Company, Limited. Her experience in these organizations has allowed her to develop and refine her innovative ideas in magnetic technologies.

Collaborations

Throughout her career, she has collaborated with talented individuals, including Akihiro Yamane and Fumitoshi Yamashita. These partnerships have contributed to her success and the advancement of her inventions.

Conclusion

Shiho Ohya's contributions to the field of magnetic technologies are noteworthy, showcasing her innovative spirit and dedication to advancing engineering solutions. Her patents reflect her expertise and commitment to enhancing the performance of magnetic materials and motors.