Toshiba‘s patented information processing device includes a volatile memory for programs, a non-rewritable nonvolatile memory for storage, and a processor. The device verifies and analyzes programs based on certain conditions, ensuring secure and efficient processing. GlobalData’s report on Toshiba gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Toshiba, Battery management systems was a key innovation area identified from patents. Toshiba's grant share as of January 2024 was 26%. Grant share is based on the ratio of number of grants to total number of patents.
Secure information processing device with program verification and analysis
A recently granted patent (Publication Number: US11888990B2) discloses an information processing device with a unique architecture aimed at enhancing security measures during program execution. The device comprises a first interface connected to a host, a second interface connected to an investigation computer, and an interrupt controller that generates an interrupt request when the investigation computer is connected. The device includes a combination of volatile and non-volatile memories where programs and digital signatures are stored, along with a processor that executes a series of steps to verify and analyze programs based on digital signatures and public keys. If the verification process passes, the processor proceeds to analyze the program, otherwise, it refrains from doing so.
Furthermore, the information processing device detailed in the patent includes additional features such as a magnetic disk and specific memory configurations for storing critical programs and data. The processor within the device is designed to execute access control over the magnetic disk in response to requests from the host, ensuring a comprehensive security framework. The patent outlines a methodical approach to program execution and verification, emphasizing the importance of maintaining program integrity and security protocols throughout the process. By incorporating various memory types and verification steps, the device aims to provide a robust solution for secure information processing, particularly in environments where data integrity is paramount.
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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.
