Katsumi Nagayasu

Title: Katsumi Nagayasu: Innovator in Magnetic Recording Technology

Introduction

Katsumi Nagayasu is a notable inventor based in Amagasaki, Japan. He has made significant contributions to the field of magnetic recording technology. His innovative work has led to the development of a unique magnetic recording medium.

Latest Patents

Nagayasu holds 1 patent for his invention titled "Magnetic recording medium, a process for preparing a magnetic recording." This patent describes a novel magnetic recording medium that consists of a base material, magnetic particles, and a specific polyurethane-based binder containing incorporated sulphonate groups. The process for preparing this medium involves coating a base material with a coating material that includes an organic solvent, a polyurethane binder with chemically incorporated sulphonate groups, and magnetic particles. The most preferred binder composition for this invention comprises a hexandiol-(1,6)-polycarbonate-based polyurethane.

Career Highlights

Katsumi Nagayasu is currently employed at Sumitomo Bayer Urethane Co., Ltd. His work at this company has allowed him to focus on advancing magnetic recording technologies. His innovative approach has positioned him as a key figure in this specialized field.

Collaborations

Throughout his career, Nagayasu has collaborated with notable colleagues, including Takanori Chiba and Masaru Honda. These collaborations have contributed to the development and refinement of his inventions.

Conclusion

Katsumi Nagayasu's contributions to magnetic recording technology exemplify the spirit of innovation. His patented work continues to influence the industry and showcases the importance of research and development in advancing technology.