Phison Electronics. has filed a patent for a signature verification method for memory storage devices. The method involves reading data, signature information, and verification information, performing verification operations, generating additional verification information, and executing processes based on the verification results. GlobalData’s report on Phison Electronics 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 Phison Electronics, Memory management was a key innovation area identified from patents. Phison Electronics's grant share as of January 2024 was 70%. Grant share is based on the ratio of number of grants to total number of patents.
Signature verification method for memory storage device
A patent application (Publication Number: US20240031165A1) describes a signature verification method designed for a memory storage device. The method involves reading data, signature information, and verification details from the memory storage device, conducting verification operations based on this information, generating additional verification data, and performing corresponding actions on the data based on the verification results. The method also includes overlapping the timing of verification operations and data generation, as well as generating and storing signature information before reading the data from the memory storage device. Additionally, hash operations are performed on the data before reading it from the memory storage device, and the verification information is stored in a rewritable non-volatile memory module.
Furthermore, the patent application details a memory storage device equipped with a connection interface unit, a rewritable non-volatile memory module, and a memory control circuit unit. This device is capable of reading data, signature information, and verification details from the memory module, conducting verification operations, generating additional verification data, and performing corresponding actions on the data based on the verification results. The device also stores the data, signature information, and verification details in the memory module, with the signature information comprising a digital signature corresponding to the data, and the verification information being generated through hash operations on the data. The device is designed to verify the signature information when reading the data from the memory module, ensuring data integrity and security.
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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.
