BT Group had five patents in quantum computing during Q4 2023. BT Group Plc filed patents in Q4 2023 for methods related to quantum entanglement and quantum communication. The first method involves determining quantum entanglement between pairs of qubits by performing Bell State measurements and Bell Inequality tests. The second method focuses on quantum communication by indicating the use of specific bases for preparing qubits at the transmitting apparatus and informing the receiving apparatus accordingly. GlobalData’s report on BT Group gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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BT Group grant share with quantum computing as a theme is 20% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Improvements to quantum entanglement generation (Patent ID: US20230409952A1)
The patent by BT Group Plc describes a method for determining quantum entanglement between pairs of qubits by performing Bell State measurements and Bell Inequality tests on multipartite quantum-entangled states. The method involves analyzing outcomes of these tests to ascertain the entanglement between specific qubits within the multipartite states. Additionally, the patent outlines the use of this method in scenarios involving multiple iterations, potential violations of Bell Inequality, and transmission of qubits to external entities.
Furthermore, the patent includes claims detailing the specifics of the method, such as the number of qubits in the multipartite states, the locations of these states in different nodes, the performance of measurements on satellites, and the transmission of qubits to external entities. The arrangement described in the patent includes apparatus for Bell State measurements, Bell Inequality tests, and a determiner for analyzing outcomes to determine quantum entanglement. Overall, the patent presents a comprehensive method and arrangement for assessing quantum entanglement in multipartite qubit systems, with potential applications in quantum communication and information processing.
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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.
