Company Filing History:
Years Active: 2024-2025
Title: Eriko Tsukamoto: Innovator in Steel Sheet Technology
Introduction
Eriko Tsukamoto is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of materials science, particularly in the development of advanced steel sheets. With a total of 4 patents to her name, Tsukamoto's work has garnered attention for its innovative approaches to steel production.
Latest Patents
One of her latest patents is focused on a steel sheet that possesses a predetermined chemical composition. This steel sheet features precipitates with a diameter of less than 0.1 μm, present in a number density of 10 to 200/μm in a depth region of 1 to 10 μm from the surface. Additionally, the amount of dissolved carbon in a depth region of 10 to 60 μm from the surface is less than 0.20 mass %, and it boasts a tensile strength of 1200 MPa or more. The method for producing this steel sheet involves several steps, including hot rolling a steel slab, pickling to remove oxide scale, and cold rolling under specific atmospheric conditions.
Another notable patent involves a steel sheet characterized by its metallurgical structure. In this patent, the area ratio of martensite is between 40% to 97%, while ferrite and bainite make up 50% or less. The residual austenite is between 3% to 20%, and the aspect ratio of residual austenite with an aspect ratio of 3 or more is 80% or more. This innovation also specifies the number of carbides with a grain diameter of 8 to 40 nm per square micrometer in the residual austenite.
Career Highlights
Eriko Tsukamoto is currently employed at Nippon Steel Corporation, where she continues to push the boundaries of steel technology. Her work has not only advanced the understanding of steel properties but has also contributed to the development of stronger and more durable materials for various applications.
Collaborations
Throughout her career, Tsukamoto has collaborated with notable colleagues, including Kengo Takeda and Katsuya Nakano. These collaborations have fostered an environment of innovation and have led to the successful development of new technologies in the steel industry.
Conclusion
Eriko Tsukamoto's contributions to steel sheet technology exempl
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.