Denso had ten patents in mobile during Q4 2023. Denso Corp’s patents in Q4 2023 include a system for vehicle access using signals from a portable device, determining round trip time for access based on signal processing. Another patent involves a settlement system with code display and mobile terminal for secure transactions using authentication and radio waves. 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 mobile as a theme is 60% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Up-sampling and cross-correlation for time of arrival determinations in passive entry/passive start systems (Patent ID: US20230341540A1)
The patent filed by Denso Corp describes a system that includes a receiver and an access module for vehicle access. The receiver receives a signal from a portable access device, and the access module processes this signal to determine a round trip time and permit access to the vehicle based on this information. The system uses cross-correlation of up-sampled signals to determine a phase difference and calculate the round trip time accurately.
The patent claims detail an access system for a vehicle that includes a transmitter, receiver, and control module to determine the location or distance of a portable access device relative to the vehicle. The system can operate at multiple frequencies, determine phases for each frequency, and calculate the device's location or distance based on these phases. Additionally, the system can use continuous wave tones to determine phase differences and accurately assess the device's location or distance for secure vehicle access. Overall, the patent outlines a sophisticated system for vehicle access control based on signal processing and phase analysis.
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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.
