Company Filing History:
2 out of 929 
2 out of 1,102 Years Active: 1995-2018
Title: Nobuo Otsuka: Innovator in Steel Manufacturing
Introduction
Nobuo Otsuka is a distinguished inventor based in Nishinomiya, Japan. He has made significant contributions to the field of steel manufacturing, holding a total of 4 patents. His innovative approaches have led to advancements in the quality and durability of steel products.
Latest Patents
Otsuka's latest patents include a method for manufacturing Cu–Sn coexisting steel. This method produces a high-quality surface even after hot rolling. The steel is created by continuously casting molten steel with specific compositions of carbon, silicon, manganese, phosphorus, sulfur, copper, tin, aluminum, and nickel. The defined composition ensures the formation of an internal oxidation layer during the cooling process, enhancing the steel's properties.
Another notable patent is for an austenitic stainless steel that exhibits excellent resistance to scale peeling. This steel is designed to withstand repeated cycles of high-temperature heating and cooling, making it suitable for high-temperature, humidified gas environments. The composition includes a range of elements such as chromium, nickel, and aluminum, ensuring its durability and performance.
Career Highlights
Throughout his career, Nobuo Otsuka has worked with prominent companies in the steel industry, including Sumitomo Metal Industries, Inc. and Nippon Steel & Sumitomo Metal Corporation. His work has significantly impacted the development of advanced steel materials, contributing to the industry's growth and innovation.
Collaborations
Otsuka has collaborated with notable colleagues, including Yoshitaka Nishiyama and Takeo Kudo. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of steel manufacturing.
Conclusion
Nobuo Otsuka's contributions to steel manufacturing through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of advanced materials that meet the demands of modern applications.