Chiharu Shigeta

Title: Chiharu Shigeta: Innovator in Angular Ball Bearing Technology

Introduction

Chiharu Shigeta is a notable inventor based in Gunma, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the design of angular ball bearings. His innovative approach has led to the development of a unique bearing design that enhances performance and reliability.

Latest Patents

Chiharu Shigeta holds a patent for an angular ball bearing. This invention includes an outer ring with an outer ring raceway surface, an inner ring with an inner ring raceway surface, and a plurality of balls that are rollable between these surfaces at a contact angle. A key feature of this design is that at least one of the bearing rings is a press-formed product of a steel plate. The extending portion of the bearing ring extends in an axial direction and includes a bent portion that overlaps the ball when viewed axially, defining an overlap allowance. This innovative design improves the functionality and durability of the bearing.

Career Highlights

Chiharu Shigeta is associated with NSK Corporation, a leading company in the manufacturing of bearings and precision machinery. His work at NSK has allowed him to apply his inventive skills in a practical setting, contributing to the company's reputation for quality and innovation in the industry.

Collaborations

Chiharu has collaborated with talented coworkers, including Shinji Fujita and Haruka Matsuzaki. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Chiharu Shigeta's contributions to angular ball bearing technology exemplify the spirit of innovation in engineering. His patent reflects a commitment to enhancing mechanical performance, and his work at NSK Corporation continues to influence the industry positively.