Location History:
- Hiroshima, JP (2009)
- Tokyo, JP (2015 - 2019)
- Kawasaki, JP (2015 - 2019)
Company Filing History:
Years Active: 2009-2019
Title: Innovations of Katsumi Nakajima in Steel Technology
Introduction
Katsumi Nakajima is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of steel technology. With a total of nine patents to his name, Nakajima has focused on developing high-strength hot-rolled steel sheets that exhibit exceptional properties. His work has been instrumental in advancing the capabilities of steel materials used in various industries.
Latest Patents
One of Nakajima's latest patents is for a high-strength hot-rolled steel sheet that boasts a tensile strength of 780 MPa or more. This innovative steel sheet not only has good formability but also excellent magnetic properties and punchability. The chemical composition of this steel includes specific percentages of carbon, silicon, manganese, phosphorus, sulfur, nitrogen, aluminum, titanium, and iron, ensuring a bainite microstructure that enhances its performance. Another notable patent involves a method for producing a high-strength hot-rolled steel sheet, which includes precise heating and rolling techniques to achieve a microstructure with over 90% bainite phase and a tensile strength exceeding 900 MPa.
Career Highlights
Katsumi Nakajima is associated with JFE Steel Corporation, where he has been able to apply his innovative ideas in a practical setting. His work has led to advancements in the production processes and quality of steel products, making significant impacts in the industry.
Collaborations
Throughout his career, Nakajima has collaborated with esteemed colleagues such as Yoshimasa Funakawa and Nobuyuki Nakamura. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in steel manufacturing.
Conclusion
Katsumi Nakajima's contributions to steel technology through his patents and collaborations have positioned him as a key figure in the industry. His innovative approaches continue to influence the development of high-strength materials that meet the demands of modern applications.