Hitachi had five patents in quantum computing during Q2 2024. Hitachi Ltd filed a patent for a quantum computer system that includes a virtual quantum computer simulating an actual quantum computer’s operation using a quantum bit group based on a parameter. The system also includes a control device that adjusts the parameter based on feedback until the estimation of a target quantum bit matches the actual quantum operation result. GlobalData’s report on Hitachi gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Hitachi had no grants in quantum computing as a theme in Q2 2024.
Recent Patents
Application: Quantum computer system and method for operating quantum computer system (Patent ID: US20240193454A1)
The patent filed by Hitachi Ltd. describes a quantum computer system that includes a virtual quantum computer simulating the operation of an actual quantum computer using a predetermined parameter and a control device managing both computers. The virtual quantum computer estimates the state of a target quantum bit in the quantum bit group by simulating the operation of the actual quantum computer, while the control device adjusts the parameter until the deviation between the estimated state and the actual quantum operation result meets a specified threshold.
The system comprises multiple actual quantum computers and virtual quantum computers, with a feedback control unit adjusting parameters to minimize deviations between estimated and ideal states of target quantum bits. Additionally, the virtual quantum computer includes a calculation unit to determine calculation fidelity, and the control device ensures the operation fidelity aligns with an ideal state. The patent also details a method for operating the quantum computer system, involving estimating the state of a target quantum bit and adjusting parameters until the deviation between the estimated state and the actual quantum operation result meets a specified threshold.
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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.
