Toshimitsu Horiuchi

Title: Innovations by Toshimitsu Horiuchi

Introduction

Toshimitsu Horiuchi is a notable inventor based in Kitasaku-gun, Japan. He has made significant contributions to the field of engineering, particularly in the development of fluid dynamic pressure bearing devices. With a total of 2 patents to his name, Horiuchi's work has had a considerable impact on various technologies.

Latest Patents

Horiuchi's latest patents include a fluid dynamic pressure bearing device and a spindle motor equipped with such a device. The fluid dynamic pressure bearing device features a first capillary seal formed between the outer circumferential surface of a bearing member and the internal circumferential surface of a seal member. Additionally, a second capillary seal is created between the outer circumferential surface of a shaft member and a protrusion hole of the seal member. This innovative design includes a ventilation hole in the seal member's side wall and a lubricant holding gap, which effectively suppresses lubricant leakage through the action of the capillary seal portions. His other patent involves a dynamo-electric machine that incorporates a rotor with axially or rotationally displaceable field magnets, showcasing his expertise in spindle motor construction.

Career Highlights

Horiuchi is currently associated with Minebea Company, Limited, where he continues to innovate and develop advanced technologies. His work has been instrumental in enhancing the performance and reliability of various mechanical systems.

Collaborations

Throughout his career, Horiuchi has collaborated with notable colleagues such as Fumiyasu Higuchi and Naoyuki Kondo. These collaborations have contributed to the advancement of their shared projects and innovations.

Conclusion

Toshimitsu Horiuchi's contributions to the field of engineering, particularly through his patents, demonstrate his commitment to innovation. His work continues to influence the development of advanced technologies in the industry.