LS Electric had 18 patents in future of work during Q4 2023. LS Electric Co Ltd filed patents for a power conversion device controlling DC voltage, a short circuit regulating device for a modular multi-level converter, an arc extinguishing assembly with grids and a magnet, and a modular multi-level converter with multiple sub-modules and reactors for reduced volume. GlobalData’s report on LS Electric gives a 360-degreee view of the company including its patenting strategy. Buy the report here.

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LS Electric grant share with future of work as a theme is 44% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Power conversion device (Patent ID: US20230352969A1)

The patent filed by LS Electric Co Ltd describes a power conversion device designed to control the DC voltage of a DC link. The device includes various components such as diodes, switching elements, and a neutral point connection to efficiently manage the flow of current between the AC terminal and the DC link. The configuration of the components allows for precise control over the direction and distribution of current, ensuring optimal performance and reliability in converting AC power to DC power.

Furthermore, the power conversion device incorporates insulated gate bipolar transistors (IGBTs) and anti-parallel diodes in each switching element, enhancing the efficiency and functionality of the device. The inclusion of a gate driver enables the precise control of the switching elements, allowing for different current flow scenarios depending on the operational requirements. Additionally, the device can be utilized in uninterruptible power supplies (UPS) as an Active Neutral Point Clamped (ANPC)-type converter, showcasing its versatility and applicability in various power conversion applications. The presence of capacitors in the device further enhances its stability and performance by managing voltage fluctuations within the DC link.

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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.