Masahiro Yamada

Title: The Innovations of Masahiro Yamada

Introduction

Masahiro Yamada is a notable inventor based in Kuwana, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced bearing parts. With a total of three patents to his name, Yamada's work showcases his expertise and innovative spirit.

Latest Patents

Yamada's latest patents include a bearing part and rolling bearing. One embodiment of his invention describes a bearing part composed of chromium molybdenum steel, featuring a diffusion layer in its surface. This diffusion layer contains a plurality of compound grains and martensite blocks, with an average grain size of the compound grains being less than or equal to 0.3 μm. Additionally, the area ratio of the compound grains in the diffusion layer is more than or equal to 3%. The maximum grain size of the martensite blocks is less than or equal to 3.8 μm. Another patent focuses on a bearing part that includes a raceway surface or rolling contact surface, where a precipitated compound composed of carbide, nitride, or carbonitride exists. The area ratio of this precipitated compound is also more than or equal to 3%, with an average grain size of less than or equal to 0.3 μm.

Career Highlights

Yamada is currently associated with NTN Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the performance and durability of bearing components, which are critical in various mechanical applications.

Collaborations

Some of Yamada's coworkers include Chikara Ohki and Katsunori Sone. Their collaborative efforts contribute to the advancement of technology within their field.

Conclusion

Masahiro Yamada's contributions to the field of engineering through his innovative patents highlight his role as a leading inventor. His work continues to influence the development of advanced bearing technologies, showcasing the importance of innovation in engineering.