Takumi Ohata

Title: Takumi Ohata: Innovator in Cemented Carbide Technology

Introduction

Takumi Ohata is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of cemented carbide technology, holding a total of 6 patents. His work focuses on the development of advanced materials that enhance the performance and durability of industrial tools.

Latest Patents

Ohata's latest patents include innovative designs for cemented carbide and composite cemented carbide rolls for rolling applications. One of his notable inventions is a cemented carbide comprising 55-90 parts by mass of WC particles and 10-45 parts by mass of a Fe-based binder phase. This binder phase has a specific composition that includes 0.5-10% by mass of Ni, 0.2-2% by mass of C, 0.5-5% by mass of Cr, 0.2-2.0% by mass of Si, and 0.1-5% by mass of W, with the balance being Fe and inevitable impurities. Another significant patent is for a composite cemented carbide roll, which features an inner layer made of an iron-based alloy and an outer layer made of cemented carbide that is metallurgically bonded to the inner layer.

Career Highlights

Throughout his career, Takumi Ohata has worked with notable companies, including Hitachi Metals, Ltd. and 501 Hitachi Metals, Ltd. His experience in these organizations has allowed him to refine his expertise in materials science and engineering.

Collaborations

Ohata has collaborated with esteemed colleagues such as Masahiko Oshima and Toshiyuki Hatori. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Takumi Ohata is a distinguished inventor whose work in cemented carbide technology has led to significant advancements in industrial applications. His innovative patents and collaborations highlight his commitment to enhancing material performance and durability.