Company Filing History:
Years Active: 1990-1996
Title: **Inventor Shoji Kousaka: Pioneering Silicon-Based Technologies**
Introduction
Shoji Kousaka, located in Kokubu, Japan, is a renowned inventor with a notable contribution to the field of material science. With three patents to his name, Kousaka has demonstrated a keen ability to innovate in the development of advanced composite materials, particularly in the realm of silicon nitride and silicon carbide.
Latest Patents
One of Kousaka's latest inventions is a silicon nitride-silicon carbide composite sintered material. This innovative material comprises 100 parts by weight of a silicon nitride component that contains 92 to 99.5 mol % of silicon nitride, along with 0.5 to 8 mol % of Group IIIa elements as corresponding oxides. It also includes 1 to 100 parts by weight of a silicon carbide component in a dispersed state, characterized by having an average particle size of 1 µm or less. This composite sintered material successfully suppresses deterioration of strength at temperatures of 1400°C while achieving excellent creep properties. It is applicable not only as structural material for heat engines such as gas turbines and turbo-rotors but also for a variety of heat-resistant applications.
Another significant patent from Kousaka is related to a silicon nitride sintered body and its preparation process. This invention includes a composition featuring 85 to 99 mole % of β-Si₃N₄, 1 to 5 mole % of oxides from selected elements, and less than 10 mole % of excessive oxygen. This particular formulation is crafted to improve the performance characteristics of silicon nitride materials in various applications.
Career Highlights
Shoji Kousaka is currently associated with Kyocera Corporation, a leading company in advanced ceramics and electronics. His work focuses on enhancing the performance and reliability of materials used in high-temperature applications, showcasing his dedication to research and innovation. Kousaka's patents reflect his significant contributions toward advancing industrial materials that meet demanding performance standards.
Collaborations
During his career, Kousaka has collaborated with esteemed colleagues including Makoto Yoshida and Masahiro Sato. Their collective expertise in material science and engineering has undoubtedly contributed to the successful development of innovative materials that can withstand extreme conditions, highlighting the importance of teamwork in the research and development process.
Conclusion
Inventor Shoji Kousaka remains a prominent figure in the advancement of composite materials, particularly in the context of silicon nitride and silicon carbide technologies. His patents illustrate a commitment to addressing the challenges faced in high-performance applications, making substantial impacts on the fields of engineering and materials science. With a strong foundation in collaborative research, Kousaka continues to influence the development of innovative solutions for the industry.