Company Filing History:
Years Active: 1991
Title: Johji Koga: Innovator in Ceramic Composite Powders
Introduction
Johji Koga is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of materials science, particularly in the development of ceramic composite powders. His innovative approach has led to advancements in manufacturing techniques that are essential for various industrial applications.
Latest Patents
Koga holds a patent for a method of preparing ceramic composite powders. This patent outlines a manufacturing method that includes several key steps. First, an inorganic powder with cation-exchange properties is mixed with a solution containing metal ions to facilitate ion exchange. Next, a precipitant-forming material is added to the suspension, which releases an anion when heated or pressurized. The suspension is then subjected to heat or pressure, causing the anion to react with the metal ions, resulting in the precipitation of metal hydroxides, metal basic salts, or metallic salts on the inorganic powder's surface. Finally, the inorganic powder is heated with the resultant precipitates to convert them into metal oxides. The process allows for the production of metal-ceramic composite powders, where any arbitrary amount of metal oxides or metal can be supported on the surface of the inorganic powder.
Career Highlights
Koga is currently employed at Mitsubishi Mining and Cement Co. Ltd., where he continues to innovate in the field of materials science. His work has not only advanced the understanding of ceramic composites but has also contributed to the practical applications of these materials in various industries.
Collaborations
Throughout his career, Koga has collaborated with esteemed colleagues such as Kunio Ohtsuka and Mitsuru Suda. These collaborations have fostered a productive environment for research and development, leading to further advancements in their respective fields.
Conclusion
Johji Koga's contributions to the field of ceramic composite powders exemplify the importance of innovation in materials science. His patented methods and ongoing work at Mitsubishi Mining and Cement Co. Ltd. highlight his role as a key figure in advancing manufacturing techniques.