Company Filing History:
Years Active: 2011
Title: Shunji Iizuka: Innovator in High Carbon Steel Technology
Introduction
Shunji Iizuka, a notable inventor based in Tokyo, Japan, has made significant contributions to the steel industry. With a focus on high carbon materials, he has patented an innovative steel sheet that enhances workability and performance in various applications.
Latest Patents
Shunji Iizuka holds one patent for an "Ultra soft high carbon hot rolled steel sheet and method for manufacturing same." This advanced steel sheet comprises a high carbon content ranging from 0.2% to 0.7% C. It's designed with a ferrite grain structure, where the mean grain size is 20 µm or larger, ensuring that smaller ferrite grains (10 µm or less) are less than 20% of the total volume. Additionally, the carbide mean diameter ranges from 0.10 µm to less than 2.0 µm, and the proportion of carbide grains with an aspect ratio greater than 5 is limited to 15%. The contact ratio of carbides is also kept to 20% or less, demonstrating excellent workability.
Career Highlights
Shunji Iizuka is associated with JFE Steel Corporation, a leading steel manufacturer known for its innovative technologies in metal production. In his role, he has focused on developing superior steel materials that meet the demanding requirements of various industries. His research and development efforts have positioned him as a key player in advancing steel technology.
Collaborations
During his career, Shunji has collaborated with esteemed colleagues, including Hideyuki Kimura and Takeshi Fujita. These partnerships have fostered an environment of innovation, leading to advancements in steel manufacturing processes and material properties.
Conclusion
Shunji Iizuka exemplifies the spirit of innovation in the steel industry. His patent for the ultra soft high carbon hot-rolled steel sheet showcases his commitment to enhancing material performance and workability. As the steel sector continues to evolve, the contributions of inventors like Shunji Iizuka will remain essential in driving technological advancements and meeting the industry's future challenges.