Yasushi Tomizuka

Title: Yasushi Tomizuka: Innovator in Bearing Technology

Introduction

Yasushi Tomizuka is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of bearing technology, holding a total of 3 patents. His innovative designs have enhanced the performance and efficiency of various mechanical systems.

Latest Patents

One of Tomizuka's latest patents is for a thin-wall bearing. This design features a retainer formed in a divided type, consisting of multiple resin plate-like members that curve along both the inner and outer rings. The retainer includes pockets that open to the axial end part and rollingly hold balls. Additionally, slit-like through holes extending in the axial direction are formed at the center parts of pillars between adjacent pockets, which significantly improve lubricity.

Another notable patent is for a rolling sliding member and rolling apparatus. This invention includes an inner ring mounted on a shaft, an outer ring surrounding the inner ring, and a plurality of rolling elements that contact both rings. A retainer supports these rolling elements, and a sliding resistance-reducing film is formed on specific surfaces to enhance performance.

Career Highlights

Yasushi Tomizuka is currently employed at NSK Corporation, a leading company in the bearing industry. His work has been instrumental in advancing the technology behind rolling bearings, making them more efficient and reliable for various applications.

Collaborations

Throughout his career, Tomizuka has collaborated with talented individuals such as Dai Kinno and Tsuyoshi Saito. These partnerships have fostered innovation and contributed to the development of cutting-edge bearing technologies.

Conclusion

Yasushi Tomizuka's contributions to bearing technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the industry and improve mechanical systems worldwide.