Location History:
- Shiojiri, JP (1991)
- Chiba, JP (1998)
Company Filing History:
Years Active: 1991-1998
Title: Hirozumi Izawa: Innovator in Mixed Metal Oxide Synthesis
Introduction
Hirozumi Izawa is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of materials science, particularly in the synthesis of complex oxide ceramic powders. With a total of 3 patents to his name, Izawa's work has garnered attention for its innovative approaches and practical applications.
Latest Patents
One of Izawa's latest patents is a method for the synthesis of mixed metal oxide powders. This technique combines the advantages of both coprecipitation and sol-gel routes while eliminating their disadvantages. The disclosed method allows for the achievement of chemical homogeneity and crystallite size on the nanometer length scale at a nonprohibitive cost. The process involves several steps, including combining a liquid absorbent resin with solutions containing organo-metallic compounds and metallic salt compounds, allowing the resin to swell and gel, preparing a precursor material by adjusting pH and temperature, pyrolyzing the precursor, and finally calcining it to form the mixed metal oxide powder.
Career Highlights
Hirozumi Izawa is currently associated with Showa Denko K.K., a prominent company in the materials industry. His work at Showa Denko has allowed him to further develop his innovative techniques and contribute to advancements in material synthesis.
Collaborations
Izawa has collaborated with notable colleagues, including Kunio Imamura and John F. DiGregorio. These collaborations have enriched his research and expanded the impact of his inventions in the field.
Conclusion
Hirozumi Izawa's contributions to the synthesis of mixed metal oxide powders highlight his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to developing efficient and cost-effective methods that benefit various applications.