Company Filing History:
Years Active: 2017
Title: Yuuichi Fukumura: Innovator in Stainless Steel Manufacturing
Introduction
Yuuichi Fukumura is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced stainless steel.
Latest Patents
Fukumura holds a patent for a unique type of martensitic mixed phase stainless steel. This innovative material boasts a well-balanced combination of excellent strength, formability, and fatigue properties. The patent describes a chemical composition that includes C: 0.1-0.4%, Si: at most 2.0%, Mn: 0.1-6.0%, Cr: 10.0-28.0%, and N: at most 0.17%, with the remainder being iron and impurities. The metallurgical structure of this stainless steel includes both ferrite and martensitic phases, along with a retained austenite phase of 5 volume % or less if necessary. This invention satisfies a specific relationship of C/C≥5.0, where C represents the average carbon content in the ferrite and martensite phases.
Career Highlights
Fukumura is currently employed at Nippon Steel & Sumitomo Metal Corporation, a leading company in the steel industry. His work focuses on enhancing the properties of stainless steel to meet various industrial applications.
Collaborations
Throughout his career, Fukumura has collaborated with esteemed colleagues such as Kazuhiko Adachi and Takashi Maeda. These partnerships have contributed to the advancement of materials technology and innovation.
Conclusion
Yuuichi Fukumura's contributions to stainless steel manufacturing exemplify the importance of innovation in materials science. His patented work continues to influence the industry, showcasing the potential for improved materials in various applications.