Company Filing History:
7 out of 388 
1 out of 50 
Years Active: 2018-2025
Title: Raisa Grigorieva: Innovator in Coated Steel Technology
Introduction
Raisa Grigorieva is a prominent inventor based in Metz, France, known for her significant contributions to the field of coated steel technology. With a total of seven patents to her name, she has made remarkable advancements in the manufacturing processes of pre-coated steel parts.
Latest Patents
Among her latest patents, Raisa has developed a hot formed pre-coated steel part. This innovation includes a steel sheet precoated with a metallic coating that consists of 2.0 to 24.0% by weight of zinc and 1.1 to 7.0% by weight of silicon. Additionally, it may contain magnesium and other elements in specific proportions. The microstructure of the steel after hot forming is designed to be martensitic or martensitic-bainitic, ensuring enhanced durability and performance. Another notable patent is for a pre-coated steel sheet, which also features a metallic coating with similar composition requirements, excluding In and Sn, thus optimizing its properties for various applications.
Career Highlights
Raisa has had a successful career, working with leading companies in the steel industry. She has been associated with ArcelorMittal and ArcelorMittal Investigación y Desarrollo, S.L., where she has honed her expertise in steel technology and innovation. Her work has significantly impacted the development of advanced materials in the
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.