Toshiba Assigned Patent

Kabushiki Kaisha Toshiba, Tokyo, Japan, has been assigned a patent (12206770) developed by Fujiyoshi; Yasuhiro, Tokorozawa Saitama, Japan, and Tanizawa; Yoshimichi, Yokohama Kanagawa, Japan, for “quantum cryptography storage system, distribution control device, and computer program product.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “According to an embodiment, a quantum cryptography storage system includes a plurality of storage, a distribution control device, and a distribution device. The plurality of storage devices are connected via a communication network. The distribution control device determines a distribution mode of shares into which data is distributed, based on quantum key distribution network (QKDN) information. The generation device generates an encryption key and a decryption key by using a quantum key shared by using a QKDN. The distribution device distributes the data into the shares, based on the distribution mode. When receiving a share encrypted using the encryption key via the communication network, each of the plurality of storage devices that stores the shares in a distributed manner decrypts the share encrypted with the decryption key and stores a share decrypted.”

The patent application was filed on 2022-08-30 (17/823190).