Company Filing History:
4 out of 68 
1 out of 1,102 
1 out of 2,737 
Years Active: 2007-2021
Title: Norimasa Tsunekage: Innovator in Steel Technology
Introduction
Norimasa Tsunekage is a prominent inventor based in Himeji, Japan. He has made significant contributions to the field of steel technology, holding a total of 5 patents. His work focuses on enhancing the properties of steel, particularly in applications requiring durability and performance.
Latest Patents
Tsunekage's latest patents include innovative developments in chisel and steel formulations. One of his notable inventions is a steel for chisels that comprises specific percentages of carbon, silicon, manganese, sulfur, chromium, and molybdenum. This formulation aims to achieve an ideal critical diameter defined by a specific equation, ensuring optimal performance. Another significant patent involves a steel designed for superior rolling fatigue life, characterized by low oxygen and sulfur content, as well as a regulated mass ratio of oxides present in the steel.
Career Highlights
Throughout his career, Tsunekage has worked with reputable companies such as Sanyo Special Steel Co., Ltd. and Nippon Steel Sumitomo Metal Corporation. His experience in these organizations has allowed him to refine his expertise in steel manufacturing and innovation.
Collaborations
Some of his notable coworkers include Naoki Iwama and Susumu Owaki. Their collaboration has contributed to advancements in steel technology and innovation.
Conclusion
Norimasa Tsunekage's contributions to steel technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of high-performance steel products.