The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 14, 2025
Filed:
Feb. 25, 2021
Kabushiki Kaisha Toshiba, Tokyo, JP;
Kazuaki Doi, Kawasaki Kanagawa, JP;
Mamiko Kujiraoka, Kawasaki Kanagawa, JP;
Yoshimichi Tanizawa, Yokohama Kanagawa, JP;
Hideaki Sato, Yokohama Kanagawa, JP;
Ririka Takahashi, Setagaya Tokyo, JP;
Akira Murakami, Tama Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
According to an embodiment, a quantum cryptographic device includes a memory and one or more processors coupled to the memory. The one or more processors are configured to: tabulate information on an application key transmitted and received by using a quantum cryptographic key and output an application-key information tabulation result; calculate a unit price of the application key based on the application-key information tabulation result; and display information that is display information including the unit price of the application key.