Sumitomo Metal Mining had four patents in advanced materials during Q1 2024. The patent filed by Sumitomo Metal Mining Co Ltd in Q1 2024 relates to a magnetostrictive member made of a single crystal iron-based alloy with specific lattice constants, forming a plate-like body with long and short-side directions. GlobalData’s report on Sumitomo Metal Mining gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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Sumitomo Metal Mining grant share with advanced materials as a theme is 25% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Magnetostrictive member and method for manufacturing magnetostrictive member (Patent ID: US20240099146A1)

The patent filed by Sumitomo Metal Mining Co Ltd focuses on a magnetostrictive member made of a single crystal of an iron-based alloy with specific characteristics. The member is a plate-like body with a long-side and short-side direction, and its lattice constant in the <100> orientation of the long-side direction must not exceed a calculated average from lattice constants in three directions. Additionally, the member must have a magnetostriction constant of 250 ppm or more and a parallel magnetostriction amount of 250 ppm or more.

Furthermore, the manufacturing methods outlined in the patent involve cutting the single crystal to ensure the lattice constant of the <100> orientation in the long-side direction meets the specified criteria. The thickness of the plate-like body is also defined within a range of 0.3 mm to 2 mm. Overall, the patent aims to create magnetostrictive members with precise characteristics for specific applications, particularly focusing on the Fe-Ga alloy and its magnetostrictive properties.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.