Shin-ichi Koriyama

Title: Inventor Spotlight: Shin-ichi Koriyama

Introduction

Shin-ichi Koriyama, a distinguished inventor based in Urayasu, Japan, is renowned for his work in superconductivity. With a total of five patents to his name, Koriyama has significantly contributed to the advancement of high-temperature oxide superconductors, paving the way for innovative applications in various technological fields.

Latest Patents

Koriyama's most notable patents include breakthrough technologies in high-temperature oxide superconductors. These superconductors, characterized by the chemical composition formula RBa₂Cu₄O₈—where Ba can be partially replaced by Sr or Ca—exhibit remarkable superconductivity at elevated temperatures. The innovative designs, including R(Ba₁-ySrᵧ)₂Cu₄O₈ and R(Ba₁-zCaᵧ)₂Cu₄O₈, promise to enhance performance by minimizing harmful Ba content while improving sinterability. Particularly noteworthy is his method involving hot hydrostatic pressure treatment of raw materials at temperatures between 850°C and 1100°C, allowing a broader selection of Ba sources.

Additionally, Koriyama has developed a method for manufacturing a Pb-based Cu oxide superconductor, which involves mixing raw material powders containing elements such as Pb, Sr, Ce, and Cu. This method facilitates the creation of superconductors with improved characteristics, further showcasing his expertise in the field.

Career Highlights

Throughout his career, Shin-ichi Koriyama has made significant contributions while working for prominent organizations such as the International Superconductivity Technology Center and Kyocera Corporation. His work in these institutions has allowed him to hone his skills and push the boundaries of superconductivity research.

Collaborations

Koriyama has collaborated with notable colleagues, including Shoji Tanaka and Kazuhiro Sakuyama, bringing together a diverse range of expertise and perspectives in the pursuit of groundbreaking innovations in superconductivity.

Conclusion

Shin-ichi Koriyama exemplifies the spirit of innovation, particularly in the realm of superconductors. His patents reflect not merely individual genius but also the collective efforts of collaboration and dedication to advancing scientific understanding. As technology continues to evolve, Koriyama's contributions are poised to play a crucial role in shaping the future of superconductivity and its applications across various industries.