Kohei Yamaguchi

Title: Kohei Yamaguchi: Innovator in High Surface-Pressure Resistant Components

Introduction

Kohei Yamaguchi is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of materials engineering, particularly in the development of high surface-pressure resistant components. His innovative work has led to the filing of a patent that showcases his expertise and dedication to advancing technology.

Latest Patents

Yamaguchi holds a patent for a high surface-pressure resistant component and its production method. This component includes a steel composition that contains, in mass %, 0.17-0.23% of carbon (C), 0.80-1.00% of silicon (Si), 0.65-1.00% of manganese (Mn), 0.030% or less of phosphorus (P), 0.030% or less of sulfur (S), 0.01-1.00% of copper (Cu), 0.01-3.00% of nickel (Ni), and 0.80-1.00% of chromium (Cr), with the remainder being iron (Fe) and unavoidable impurities. The surface layer carbon concentration of a carburized and quenched layer is specified to be 0.70-0.80% in mass. This innovation is crucial for applications requiring materials that can withstand high surface pressures.

Career Highlights

Throughout his career, Yamaguchi has worked with prominent companies, including Daido Steel Co., Ltd. and Jatco Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various projects that emphasize material strength and durability.

Collaborations

Yamaguchi has collaborated with talented individuals in his field, including Junya Miyauchi and Ryohei Ishikura. These partnerships have fostered an environment of innovation and creativity, leading to advancements in material science.

Conclusion

Kohei Yamaguchi's contributions to the field of high surface-pressure resistant components exemplify his commitment to innovation and excellence. His patent and collaborations reflect his significant impact on materials engineering.