Mitsubishi Electric had three patents in blockchain during Q4 2023. Mitsubishi Electric Corp filed patents for a blockchain-based monitoring and management system for industrial automation systems, providing security checks, audit trails, remote updates, and integrity checks. Another patent involves a data transfer device that acquires data from a transfer-source distributed ledger, selects relevant data elements, and creates transfer orders to move data to a transfer-destination distributed ledger. GlobalData’s report on Mitsubishi Electric gives a 360-degreee view of the company including its patenting strategy. Buy the report here.

Mitsubishi Electric grant share with blockchain as a theme is 0% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Systems and methods for blockchain-based industrial automation (Patent ID: US20230421392A1)

The patent filed by Mitsubishi Electric Corp. describes a method and system for blockchain-based monitoring and management of industrial automation systems. The system includes a blockchain-integrated unikernel for programmable logic controllers (PLCs) that provides security checks, an immutable audit trail of operations, trusted remote updates of industrial firmware, and automated integrity checks of controller functionality by comparing against the blockchain. The system allows for authentication of update operations, control of execution operations, and communication with industrial devices to ensure secure and efficient industrial automation processes.

The claims of the patent outline the components and processes involved in the blockchain-based industrial automation system. These include controllers downloading blocks and cryptographic certificates from the blockchain network, authenticating update operations, exchanging messages with the blockchain network, and executing various commands related to firmware updates and industrial automation processes. The method described involves downloading blocks and certificates, authenticating update operations, and generating responses for controlling execution operations. The system and method ensure secure, verifiable, and efficient management of industrial automation systems through blockchain technology integration.

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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.