Keiichiro Koba

Title: Keiichiro Koba: Innovator in Advanced Materials

Introduction

Keiichiro Koba is a notable inventor based in Tochigi, Japan. He has made significant contributions to the field of advanced materials, particularly in the production of specialized fibers and glass-ceramic products. With a total of 3 patents to his name, Koba's work exemplifies innovation and technical expertise.

Latest Patents

Koba's latest patents include a continuous process for producing long α-alumina fibers. This process involves a slurry spinning technique that allows for the continuous production of highly flexible long α-alumina fibers with a small diameter. The patent details a specific spinnable slurry containing alumina powder with an average particle diameter of 0.1 μm or less, along with the thermophysical conditions necessary for spinning and firing the multifilament yarn.

Another significant patent is for a glass-ceramic product and the method of making it. This product features a chemical composition that includes 35 to 60% SiO2, 10 to 20% Al2O3, 12 to 25% MgO, 5 to 15% K2O, and 4 to 15% F, while excluding B2O3. The glass-ceramic product boasts a flexural strength of not less than 1500 kgf/cm² and excellent dielectric properties, making it suitable for high-performance applications.

Career Highlights

Koba is currently employed at Mitsui Mining Co., Ltd., where he continues to develop innovative materials. His work has not only advanced the field but has also contributed to the company's reputation as a leader in material science.

Collaborations

Koba has collaborated with notable coworkers such as Akira Matsumoto and Yoshito Morita. Their combined expertise has fostered a productive environment for innovation and development.

Conclusion

Keiichiro Koba's contributions to advanced materials through his patents and work at Mitsui Mining Co., Ltd. highlight his role as a significant inventor in the field. His innovative processes and products continue to push the boundaries of material science.