Denso had 130 patents in batteries during Q4 2023. Denso Corp filed patents in Q4 2023 related to battery pack monitoring, relay control, battery information storage and conversion, authentication procedures for external charging equipment, and battery monitoring apparatus with satellite devices for quick monitoring of battery cells. The inventions include features such as radio wave absorption in battery pack housing, sealed relay circuit in battery pack case, setting acquisition range based on battery information, and faster wireless connections for monitoring battery cells. GlobalData’s report on Denso gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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Denso grant share with batteries as a theme is 48% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Battery pack (Patent ID: US20230411707A1)
The patent filed by Denso Corp. describes a battery pack with a housing, battery modules, acquisition units, and a monitoring device that communicate wirelessly to obtain battery information. The housing includes a radio wave absorption part to absorb radio waves emitted from the parent antenna and slave antennas, enhancing communication efficiency. The arrangement of the parent antenna and slave antennas ensures that direct radio waves do not interfere with communication, and a reflection part inside the housing helps direct radio waves to the intended antennas.
The patent also details different configurations of the battery pack, such as the placement of battery modules, acquisition units, and antennas within the housing. The positioning of the parent antenna, slave antennas, and absorption parts is crucial for optimizing wireless communication and ensuring accurate acquisition of battery information. By strategically arranging these components and incorporating absorption and reflection elements, the battery pack design aims to improve the overall performance and reliability of the monitoring system. These innovative features contribute to the efficient operation and maintenance of battery packs, particularly in applications where real-time monitoring and data acquisition are essential.
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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.
