Shuetsu Haseyama

Title: Innovations of Shuetsu Haseyama

Introduction

Shuetsu Haseyama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of superconductors, holding a total of 5 patents. His work focuses on enhancing the performance and manufacturing methods of oxide superconductors.

Latest Patents

One of Haseyama's latest patents is for an oxide superconductor current lead and the method of manufacturing it. This invention features a rod-like or pipe-like oxide superconductor with metallic electrodes formed at each end. The oxide superconductor is a Bi,Sr,Ca,Cu,O superconductor, which boasts a contact resistivity of no more than 0.05 μΩ·cm and a critical current density of at least 2,000 A/cm². The manufacturing method involves detecting optimum conditions for heat treatment during electrode formation, significantly reducing contact resistivity and enhancing critical current density. The process includes shaping the oxide superconductor and forming metallic electrode portions through various techniques, followed by a heat treatment at temperatures between 810 to 830 °C for 2 to 20 hours.

Career Highlights

Haseyama has worked with prominent companies such as Dowa Mining Co., Ltd. and Chubu Electric Power Company, Inc. His career reflects a commitment to advancing technology in the field of superconductors.

Collaborations

Throughout his career, Haseyama has collaborated with notable colleagues, including Shuji Yoshizawa and Shuichi Kohayashi. These partnerships have contributed to the development of innovative technologies in superconductivity.

Conclusion

Shuetsu Haseyama's contributions to the field of superconductors through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in this critical area of technology.