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SDV-related Patent Applications
ECU Communication, Network Anomaly Detection, Semiconductor Fuses
2025/09/09
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Summary
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Patent application trends related to SDV development
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Trends in development subjects
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Network Anomaly Detection (AutoNetworks Technologies, Sumitomo Wiring Systems, Sumitomo Electric Industries, Toyota)
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Power Supplies (AutoNetworks Technologies, Sumitomo Wiring Systems, Sumitomo Electric Industries)
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ECU Communication (Toyota)
Summary
This report was created by MarkLines based on patent information from the "swimy" technical information distribution service provided by Toyota Technical Development Corporation (TTDC), and covers current technology topics surrounding the automotive industry. TTDC operates an intellectual property (IP) business and a measurement and control business. The intellectual property business collects and analyzes information on global automobile development, provides consulting on research projects, and handles foreign patent applications and technical translations.
In recent years, the automotive industry has undergone a major transformation with the emergence of the "SDV (software defined vehicle)”. SDVs are software-centric vehicles that communicate with the cloud and continuously evolve vehicle functions through OTA (over-the-air) software updates.
The Japanese government has set a policy goal of achieving a 30% global market share for Japanese SDVs by 2030 and 2035, and is encouraging Japanese domestic companies to accelerate the development of SDVs. As a result, technology trends based on patent information released in Japan after 2020 was investigated.
Source: Japanese Ministry of Economy, Trade and Industry "Mobility DX Strategy"
https://www.meti.go.jp/policy/mono_info_service/mono/automobile/jido_soko/pdf/mobilitydxsenryaku2025.pdf
In 2020-2021, the number of patent applications in this area was as high as 450 per year, but since 2022, the number of patent applications is on a declining trend. Also, looking at the number of patent applications filed by each company, Toyota Motor Corporation (Toyota), Honda Motor Co., Ltd. (Honda), and Sumitomo Wiring Systems, Ltd. (Sumitomo Wiring) in that order, filed the most applications. From 2020 to 2022, the top six companies in terms of patent filings continued to file large numbers of applications, but in 2023, the number of applications filed by all of these companies decreased. By development subject, the most common are "OTA update optimization system according to ECU memory configuration," "Secure backup system for self-driving cars using redundant power supplies," "Next-generation in-vehicle networks with plug-and-play compatibility," and "Vehicle control interface for general-purpose self-driving kits." In terms of technology, it can be seen that technology development is taking place in areas such as "software updates," "power supplies," and "network anomaly detection."
Technical information distribution service-swimy URL: https://thinktank.toyota-td.jp/pub/list
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