Denso had 133 patents in batteries during Q1 2024. Denso Corp filed patents in Q1 2024 for a battery system with modules generating unique identification information, a technique for monitoring battery states wirelessly, a control method for vehicle power sources based on power amount measurements, a malfunction diagnosis apparatus for wireless power transmission systems, and an equalization device for balancing charge in battery packs during specific charging states. GlobalData’s report on Denso gives a 360-degree 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 60% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Battery system (Patent ID: US20240097219A1)
The patent filed by Denso Corp describes a battery system consisting of multiple battery modules, each containing an assembled battery with multiple cells connected in series, a monitoring unit, and an external member for electrical connection. The monitoring unit generates unique identification information for each module based on an electrical signal from the external member, ensuring differentiation between modules. A control unit is included to identify modules, detect identification abnormalities, and request replacement of unidentifiable modules, particularly in vehicle applications where failure to identify modules can prevent the vehicle from starting.
Furthermore, the system allows for wireless communication between the control unit and monitoring units, enabling identification processes and replacement requests based on the identification results. The monitoring units are standardized and do not have unique information for individual identification, with identification information generated based on signals from the external member. The system also includes sensors for monitoring temperature, with different connection patterns for each module to ensure unique identification based on temperature signals. Overall, the patent focuses on a battery system with robust identification mechanisms and control units to manage identification abnormalities and ensure proper functioning, particularly in vehicle applications.
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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.
