Takato Yamanishi

Title: Takato Yamanishi: Innovator in Cemented Carbide and Cutting Tools

Introduction

Takato Yamanishi is a prominent inventor based in Itami, Japan, known for his significant contributions to the field of cemented carbide and cutting tools. With a total of 16 patents to his name, Yamanishi has made remarkable advancements that enhance the performance and durability of cutting tools used in various industries.

Latest Patents

Yamanishi's latest patents include innovative developments in cemented carbide and cutting tools. One of his notable inventions is a cemented carbide that consists of 65 to 85 volume % of a first phase and 4 to 25 volume % of a second phase. The first phase comprises carbide grains, while the second phase contains 50 mass % or more of cobalt and includes zirconium. The cobalt content ratio of the cemented carbide is between 3 to 15 mass %. Additionally, the relationship between the zirconium content ratio and cobalt content ratio is defined by a specific formula. Another significant patent involves a cutting tool that features a substrate and a multi-layer coating. This coating includes a first alumina layer, a titanium compound layer, and a second alumina layer, with specific nitrogen content requirements in different regions of the alumina layer.

Career Highlights

Throughout his career, Takato Yamanishi has worked with esteemed companies such as Sumitomo Electric Hardmetal Corporation and Sumitomo Electric Industries, Limited. His work in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in material science and engineering.

Collaborations

Yamanishi has collaborated with notable colleagues, including Masahito Hikiji and Susumu Okuno. These partnerships have fostered a creative environment that has led to the development of cutting-edge technologies in the field.

Conclusion

Takato Yamanishi's contributions to the field of cemented carbide and cutting tools exemplify his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of material properties and engineering principles, making him a significant figure in his industry.