Bridgestone had 16 patents in batteries during Q4 2023. The patent filed by Bridgestone Corp in Q4 2023 describes a power reception apparatus for vehicles to receive electric power from a power transmission coil embedded in the ground. The apparatus includes a relay coil with a first and second coil connected by an electrical conductor, where the first coil is inside the tire and the second coil is closer to the central axis of the wheel. The power reception coil is positioned to face the second coil when the first coil faces the power transmission coil. GlobalData’s report on Bridgestone gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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Bridgestone grant share with batteries as a theme is 50% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Power reception apparatus (Patent ID: US20230331102A1)
The patent filed by Bridgestone Corp. describes a power reception apparatus designed to receive electric power from a power transmission coil embedded in the ground. The apparatus includes a relay coil with a first and second coil arranged on a tired wheel, a power reception coil, and a power reception circuit. The first coil is positioned inside the tire, while the second coil is closer to the central axis of the tired wheel. The power reception coil is strategically located to face the second coil when the first coil faces the power transmission coil.
The claims associated with the patent detail various configurations and features of the power reception apparatus. These include the arrangement of the first and second coils on the tired wheel, the positioning of the power reception coil, the use of a resonant capacitor for resonating with the power transmission coil, and the connection of components through a thermally-conductive member. Additionally, the claims cover the use of specific materials such as litz wire or a metal belt in the construction of the apparatus. Overall, the patent outlines a sophisticated system for wirelessly transferring electric power to a vehicle through a unique configuration of coils and circuits integrated into the tired wheel.
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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.
