Nippon Telegraph and Telephone had four patents in quantum computing during Q1 2024. The patent filed by Nippon Telegraph and Telephone Corp in Q1 2024 involves a result confirmation unit that computes probabilities related to the preparation of a quantum state, Pauli measurements, and magic state generation in a verification target device. The unit then calculates the degree of approximation between the quantum state and the magic state of CCZ, as well as the measurement accuracies of Pauli Z and Pauli X measurements on the quantum state. GlobalData’s report on Nippon Telegraph and Telephone gives a 360-degree view of the company including its patenting strategy. Buy the report here.

Nippon Telegraph and Telephone grant share with quantum computing as a theme is 50% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Classical computer, information processing method, and computer readable medium (Patent ID: US20240080185A1)

The patent filed by Nippon Telegraph and Telephone Corp. describes a classical computer that computes probabilities related to the preparation and measurement of quantum states by a quantum computer. The computer uses measurement results to calculate state space probability, Pauli measurement probability, and magic state probability to determine the accuracy of quantum state preparation and measurements. The classical computer generates public and trapdoor keys, performs Z and X basis checks, and computes a degree of approximation between quantum states and magic states of CCZ.

Furthermore, the classical computer executes multiple quantum state generation and measurement sequences, computes probabilities based on measurement results, and uses random numbers for computation selection and measurement validation. The method involves generating public and trapdoor keys, performing Z and X basis checks, and determining the accuracy of generalized stabilizer measurements. Additionally, the patent covers an information processing method and a computer-readable medium storing a program for classical computers to execute processes related to state space probability, Pauli measurement probability, magic state probability, and approximation accuracy computation for quantum states and measurements.

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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.