Toshihiko Shiraki

Title: The Innovations of Toshihiko Shiraki

Introduction

Toshihiko Shiraki, an esteemed inventor based in Yao, Japan, has made significant contributions to the field of mechanical engineering through his innovative designs and patents. With a total of five patents to his name, Shiraki has focused on advancements in bearing technology, primarily at Jtekt Corporation, where he collaborates with notable coworkers including Hiroshi Ueno and Akio Oshima.

Latest Patents

Shiraki's latest patents reflect his commitment to enhancing the efficiency and functionality of tapered roller bearings. His inventions include the following:

1. **Outer ring of tapered roller bearing**: This patent revolves around the design of the outer ring which supports the tapered rollers and plays a crucial role in load distribution.

2. **Tapered roller bearing**: This invention focuses on the overall geometry and performance characteristics of the bearing, ensuring optimal operation under various load conditions.

3. **Manufacturing method of outer ring of tapered roller bearing**: This method involves forming a tapered cylinder portion, radially extending portion, cylindrical portion, center backup portion, and a large diameter side curved portion from an integral metallic plate. This innovative approach improves the structural integrity and performance of the bearing.

Another noteworthy invention by Shiraki is the design of an **inner ring and outer ring with a ball bearing** that features unique fit portions. The first and second fit portions of the inner ring possess a spring property, allowing them to flex radially outward when fitted to a shaft. This ensures a tight fit while maintaining ease of fitting and removing, thereby minimizing issues such as creep.

Career Highlights

Throughout his career at Jtekt Corporation, Shiraki has leveraged his expertise in mechanical design and innovation to create cutting-edge solutions in bearing technology. His work has not only advanced the company's product offerings but has also set new standards within the industry.

Collaborations

Shiraki’s collaborative efforts with coworkers such as Hiroshi Ueno and Akio Oshima underline the importance of teamwork in driving innovation forward. Together, they have worked on various projects aimed at refining existing technologies and developing new methodologies that enhance product performance.

Conclusion

Toshihiko Shiraki stands out as a key figure in the realm of bearing technology innovation. With a portfolio of five patents and ongoing contributions at Jtekt Corporation, he continues to shape the future of mechanical engineering through his inventive spirit and collaborative work ethic.