Kazuo Horinouchi

Title: Kazuo Horinouchi: Innovator in Zirconia Technology

Introduction

Kazuo Horinouchi, an accomplished inventor based in Niihama, Japan, has made significant contributions to the field of materials science, particularly in the development of zirconia-based ceramics. With a portfolio of five patents, his work focuses on enhancing the mechanical properties and electric conductivity of zirconia materials, paving the way for various industrial applications.

Latest Patents

Horinouchi's most recent patents include advancements in electrically conductive zirconia-based sintered bodies. His patented invention outlines a zirconia composition that incorporates titanium nitride (TiN), titanium dioxide (TiO₂), and zirconium dioxide (ZrO₂), achieving impressive mechanical strength metrics at normal temperatures. The properties of this invention include a minimum mechanical strength of 50 kg/mm², a fracture toughness of 4 MPam¹/², and a Vickers hardness of at least 1,000 kg/mm², with a low volume resistivity of no more than 1 Ω.cm, allowing for sintering at lower temperatures and pressures.

Additionally, Horinouchi's patent for zirconia ceramics describes materials superior in mechanical strength, hardness, and toughness, incorporating cerium oxide and magnesium oxide. The method for producing these ceramics involves innovative processes such as coprecipitation and calcination, which yield finely grained zirconia powders, ensuring high performance characteristics.

Career Highlights

Kazuo Horinouchi has had an illustrious career with notable tenures at esteemed companies such as Sumitomo Chemical Company, Limited, and Sumitomo Aluminum Smelting Company, Limited. His experience in these organizations has equipped him with unique insights into material development and industrial applications, bolstering his capacity as an innovator in zirconia technology.

Collaborations

Throughout his career, Horinouchi has collaborated with prominent colleagues, including Koichi Yamada and Tadanori Hashimoto. These partnerships have enabled him to leverage diverse expertise and perspectives, enhancing the quality and depth of his research and patent development.

Conclusion

Kazuo Horinouchi stands out as a key figure in the advancement of zirconia-based materials. His innovative patents not only demonstrate his expertise but also contribute significantly to materials science. With a relentless pursuit of improving mechanical properties and electric conductivity, Horinouchi continues to set the stage for future innovations in industrial applications. His body of work will undoubtedly influence both academic and commercial sectors in the years to come.