Toshimi Yamagishi

Title: Innovations of Toshimi Yamagishi

Introduction

Toshimi Yamagishi is a notable inventor based in Azumino, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced gear devices. With a total of three patents to his name, Yamagishi continues to push the boundaries of innovation.

Latest Patents

One of his latest patents is the "Silk hat-type strain wave gear device." This device features a crossed roller bearing that supports both an internal and external gear, allowing for relative rotation. The design includes a first gap part sealed by an oil seal, while a second gap part communicates with a gear-side gap part outside the external gear. This configuration prevents excessive lubricant inflow and leakage, ensuring optimal performance. Another significant patent is the "Wave generator for wave gear device." This invention utilizes a deep-groove ball bearing with an annular flexible bearing ring that can bend radially. By adjusting the dimensions of the orbital plane radii and ball diameter, the service life of the flexible bearing is extended, enhancing the durability of the gear device.

Career Highlights

Yamagishi is currently employed at Harmonic Drive Systems Inc., where he applies his expertise in gear technology. His work has been instrumental in advancing the capabilities of wave gear devices, which are widely used in robotics and precision machinery.

Collaborations

Yamagishi collaborates with talented individuals such as Yukio Sawada and Yoshio Yamaguchi, contributing to a dynamic team focused on innovation and excellence in engineering.

Conclusion

Toshimi Yamagishi's contributions to the field of gear technology exemplify the spirit of innovation. His patents reflect a deep understanding of engineering principles and a commitment to enhancing the functionality of mechanical systems.