Toshio Sakamoto

Title: **Toshio Sakamoto: Innovator in Copper Alloy Technologies**

Introduction

Toshio Sakamoto, an accomplished inventor based in Kitamoto, Japan, has made significant contributions to the field of materials science, particularly in the development of advanced copper alloy technologies. With a total of six patents to his name, Sakamoto's innovative work has garnered attention in both industrial applications and academic research.

Latest Patents

Among Toshio Sakamoto's latest patents are two notable inventions: the "Copper Alloy Sputtering Target" and the "Copper Alloy Wire". The copper alloy sputtering target patent describes a copper alloy that comprises 0.3 to 1.7% by mass of calcium (Ca), with strict limits on other impurities to ensure high purity, making it ideal for sputtering applications. The manufacturing method outlined involves a meticulous process including melting high-purity copper and controlling the composition through precise additions of Ca, followed by casting and stress relieving to achieve optimal performance.

His second patent, focusing on copper alloy wire, involves a precipitation hardening-type copper alloy that includes cobalt (Co), phosphorus (P), and tin (Sn). The wire is devised using continuous cast-rolling or cold working techniques, with specific compositional requirements ensuring enhanced properties suited for various applications in electronics and electrical engineering.

Career Highlights

Toshio Sakamoto is a dedicated professional at Mitsubishi Materials Corporation, where he continues to advance the field of materials engineering. His expertise in copper alloy technologies has placed him at the forefront of innovation in his company, contributing significantly to product development and technological advancements.

Collaborations

Sakamoto's innovations have not been achieved in isolation. He has collaborated with notable colleagues, including Satoru Mori and Kiyoyuki Ookubo, both of whom have contributed to his research endeavors. These collaborations enhance the creativity and technical knowledge pool, ultimately leading to successful patent applications.

Conclusion

In summary, Toshio Sakamoto's work exemplifies the spirit of innovation in modern materials science. His patented inventions, particularly in copper alloy technologies, reflect his commitment to excellence and advancement in this specialized field. As he continues his career with Mitsubishi Materials Corporation, the impact of his contributions will undoubtedly resonate within both academic and industrial spheres for years to come.