Takateru Umeda

Title: Takateru Umeda: Innovator in Superconductivity

Introduction

Takateru Umeda is a prominent inventor based in Tokyo, Japan. He is known for his significant contributions to the field of superconductivity, particularly in the preparation of oxide superconductors. His innovative methods have paved the way for advancements in this critical area of research.

Latest Patents

Umeda holds a patent for a "Method for preparing oxide superconductors." This method provides a stable approach to preparing rare earth (RE) 123 type oxide superconductors that exhibit outstanding superconductive properties in the atmosphere. The process involves melting, cooling, and solidifying a starting composition containing various RE elements such as Y, Sm, and Nd, along with Ba, Cu, and O. By controlling the quantity of replacement between RE and Ba in the formed crystals, Umeda's method yields superconductors with a critical temperature of 90 K or above and higher critical current density (Jc) in a magnetic field. Additionally, a trace amount of Pt or CeO3 can be added to micronize the 211 (or 422) phase, further improving Jc.

Career Highlights

Throughout his career, Umeda has worked with esteemed institutions such as the Superconductivity Research Laboratory and the University of Tokyo. His research has significantly impacted the field of superconductivity, leading to advancements that benefit various technological applications.

Collaborations

Umeda has collaborated with notable colleagues, including Yasuo Watanabe and Akihiko Endo. These partnerships have fostered a collaborative environment that enhances research and innovation in superconductivity.

Conclusion

Takateru Umeda's contributions to the field of superconductivity through his innovative patent and collaborative efforts highlight his importance as an inventor. His work continues to influence advancements in technology and materials science.