Hiroo Hiroyama

Title: The Innovations of Hiroo Hiroyama

Introduction

Hiroo Hiroyama is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced motor technologies. With a total of 4 patents to his name, Hiroyama's work has had a considerable impact on the industry.

Latest Patents

One of Hiroyama's latest patents is the "Sealed Magnetic Fluid Bearing for Polygon Mirror Drive Motor." This innovative motor is designed with a magnetic fluid bearing device that effectively suppresses vibration and irregular rotation. It also prevents the magnetic fluid from scattering from the bearing portion and the inside of the motor. The motor features a rotor with a polygon mirror mounted on it, a stator unit equipped with driving coils, and both a rotor position detector and a rotor revolution detector. Additionally, the magnetic fluid bearing unit includes a magnetic seal and a dynamic pressure seal, along with a magnetic bearing. The design incorporates a triple seal structure for the magnetic fluid, which consists of a first fluid seal from the bearing unit seals, a second fluid seal from a magnet of the rotor, and a third fluid seal from a magnet of the seal magnet.

Career Highlights

Hiroo Hiroyama has had a distinguished career at Hitachi, Ltd., where he has been instrumental in advancing motor technology. His innovative designs and patents have contributed to the company's reputation as a leader in engineering solutions.

Collaborations

Hiroyama has collaborated with several talented individuals, including Katsutoshi Nii and Kazuhiko Kawaike. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their field.

Conclusion

Hiroo Hiroyama's contributions to motor technology through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence advancements in engineering and technology.