Tadahiro Uchiyama

Title: Tadahiro Uchiyama: Innovator in Sintered Bearings

Introduction

Tadahiro Uchiyama is a talented inventor based in Aichi, Japan. With a focus on advanced materials and manufacturing processes, Uchiyama has made significant contributions to the field of sintered bearings. His work encompasses innovative designs that enhance the functionality and durability of these essential components in various applications.

Latest Patents

Uchiyama holds two notable patents that demonstrate his expertise and creativity. The first patent, titled "Oil-impregnated sintered bearing and method for manufacturing same," involves a copper-iron-based sintered compact that contains 40 mass % or more of copper. This design features inner pores that are impregnated with oil, resulting in improved performance and longevity. The compact is characterized by a unique copper structure derived from partially diffusion-alloyed powder, where copper powder is joined to iron powder in advance, enhancing its structural integrity.

His second patent, "Sintered bearing and method of manufacturing same," describes a sintered bearing made from a metal powder mixture containing predominantly copper and iron powders. This innovative mixture includes 80 wt % or more of particles with an average diameter of less than 45 µm. The copper powder utilized in this invention is electrolytic copper powder, containing a high percentage of particles with a circularity of 0.64 or more, which optimizes the bearing's performance.

Career Highlights

Tadahiro Uchiyama is associated with NTN Corporation, where he collaborates with other skilled inventors like Shinji Komatsubara and Yoshinori Ito. His commitment to innovation in manufacturing processes and materials has positioned him as a notable contributor to his field.

Collaborations

Uchiyama's successful inventions and patents have been bolstered by his collaborative efforts with esteemed colleagues. Working alongside Shinji Komatsubara and Yoshinori Ito, Uchiyama has combined their expertise to explore new ideas and drive advancements in sintered bearing technology.

Conclusion

Tadahiro Uchiyama’s work exemplifies the spirit of innovation, particularly in the realm of sintered bearings. His patented inventions not only showcase his technical prowess but also contribute to advancing the capabilities of mechanical components used in various industries. Through his career at NTN Corporation, Uchiyama continues to make a meaningful impact on modern engineering and manufacturing practices.