Haruhiko Yamaguti

Title: Haruhiko Yamaguti: Innovator in Silicon Nitride Technology

Introduction

Haruhiko Yamaguti is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of silicon nitride components. With a total of three patents to his name, Yamaguti's work has advanced the understanding and application of wear-resistant materials.

Latest Patents

Yamaguti's latest patents include innovations such as a sliding member and a bearing, motor, and drive device utilizing the same. The sliding member features a silicon nitride sintered body that incorporates silicon nitride crystal grains and a grain boundary phase. The invention specifies that the percentage of silicon nitride crystal grains with dislocation defect portions should be between 0% and 10%, with a more preferable range of 0% to 3%. Another significant patent is for a silicon nitride wear-resistant member, which consists of a silicon nitride sintered compact containing β-SiN crystal grains as a main component. This member includes specific percentages of rare earth elements, aluminum, and hafnium, ensuring excellent wear resistance and processability.

Career Highlights

Throughout his career, Haruhiko Yamaguti has worked with prominent companies such as Kabushiki Kaisha Toshiba and Toshiba Materials Co., Ltd. His experience in these organizations has allowed him to refine his expertise in materials engineering and innovation.

Collaborations

Yamaguti has collaborated with notable colleagues, including Kai Funaki and Katsuyuki Aoki. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Haruhiko Yamaguti's contributions to the field of silicon nitride technology highlight his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to improving wear resistance and processability in engineering applications.