Tsuyoshi Koshi

Title: Tsuyoshi Koshi: Innovator in Ball Bearing Technology

Introduction

Tsuyoshi Koshi is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of ball bearing technology, holding a total of 3 patents. His innovative designs have improved the performance and durability of ball bearings, making them essential components in various mechanical applications.

Latest Patents

Koshi's latest patents focus on advancements in ball bearing design. One of his patents describes an outer ring that is formed with a large thickness, where the pitch circle diameters of the balls are shifted to the inside diameter side. This design increases the radiuses of curvature of the section shapes of both the outer and inner ring raceways. Additionally, the diameter of the balls and the thickness of the inner ring are optimized to prevent Brinell impressions in the outer ring raceway and to avoid damage or cracking in the inner ring.

Career Highlights

Throughout his career, Tsuyoshi Koshi has been associated with Nsk Corporation, a leading company in the manufacturing of bearings and other precision machinery. His work has been instrumental in enhancing the reliability and efficiency of their products. Koshi's innovative spirit and technical expertise have positioned him as a key figure in the industry.

Collaborations

Koshi has collaborated with talented coworkers such as Takayuki Yatabe and Hisato Yamamoto. Their combined efforts have led to the development of cutting-edge technologies in the field of ball bearings.

Conclusion

Tsuyoshi Koshi's contributions to ball bearing technology exemplify the impact of innovation in engineering. His patents reflect a commitment to improving mechanical performance and reliability. Through his work at Nsk Corporation, he continues to influence the industry positively.