Fujitsu has been granted a patent for a coil structure comprising multiple laminated metal plates, each featuring a spiral conductor and a row of terminals. The design allows for series connection of conductors, enhancing the functionality of the coil through a specific alignment and connection method. GlobalData’s report on Fujitsu gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Fujitsu, M2M communication interfaces was a key innovation area identified from patents. Fujitsu's grant share as of July 2024 was 40%. Grant share is based on the ratio of number of grants to total number of patents.
Laminated spiral coil structure with metal plates
The patent US12073985B2 describes a novel coil structure composed of multiple laminated metal plates, each featuring a spiral conductor and a row of terminals. The design includes at least two metal plates, where the conductors are connected in series to form a continuous spiral coil. Each metal plate's conductor connects to adjacent plate portions, with a specific arrangement that shifts the connection points progressively along the laminate. This configuration allows for efficient electrical connectivity and integration of the coil structure, which can be utilized in various applications, including inductors.
Additionally, the claims outline features such as external connection terminals formed at both ends of the row of terminals, electrically isolated support portions, and the inclusion of an insulating film covering the metal plates. The structure can be segmented into multiple product regions, each capable of functioning as an inductor when separated. A supporting frame is also described, which maintains the integrity of the product regions. Furthermore, the inductor can be encapsulated in resin, potentially containing a magnetic filler, to enhance its performance and protect the coil structure while exposing part of the terminal row for connectivity.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
