Company Filing History:
2 out of 1,256 
2 out of 2 
1 out of 2,767 
Years Active: 1981-1988
Title: Kunihiko Kataoka: Innovator in Steel Cord Technology
Introduction
Kunihiko Kataoka is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of materials engineering, particularly in the development of steel cords for radial tires and wire for reinforcing rubber goods. With a total of 2 patents, his work has had a lasting impact on the automotive and rubber industries.
Latest Patents
Kataoka's latest patents include a steel cord designed specifically for radial tires. This innovative steel cord comprises at least 10 metal filaments and exhibits specific elongation properties under various loads. The elongation is measured at 0.015-0.045% under a load of 0.5 kgf, 0.025-0.060% under a load of 1 kgf, and 0.060-0.114% under a load of 4 kgf, with the elongation under a load of 0.05 kgf set at 0%. This cord features a soft twist construction, making it suitable for use in the carcass of radial tires for trucks and buses. Another significant patent involves a process for making plated wire for reinforcing rubber goods. This improved wire demonstrates excellent adhesion with rubber and is produced through a diffusion process that removes oxides formed on the surface of plated metal before drawing.
Career Highlights
Throughout his career, Kunihiko Kataoka has worked with prominent companies such as Kawasaki Steel Corporation and Kawatetsu Wire Products Company Ltd. His experience in these organizations has allowed him to refine his expertise in materials science and engineering.
Collaborations
Kataoka has collaborated with notable colleagues, including Hideo Abe and Takaaki Hira. These partnerships have contributed to the advancement of his research and innovations in the field.
Conclusion
Kunihiko Kataoka's contributions to the development of steel cords and reinforcing wires have established him as a key figure in materials engineering. His innovative patents continue to influence the automotive and rubber industries, showcasing the importance of his work.