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:
Nov. 10, 2020
Filed:
Nov. 09, 2018
International Business Machines Corporation, Armonk, NY (US);
Junichi Kato, Tokyo, JP;
Takayuki Kushida, Tokyo, JP;
Tomoko Murayama, Kanagawa-ken, JP;
Masaharu Sakamoto, Kanagawa, JP;
Kazuto Yamafuji, Yokohama, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method, a computing system and a computer program product are provided. A link for use by a user to access a file is created. Content of the file is encrypted using a common key. The common key is encrypted using a public key of the user and is registered in the link. Access rights regarding the file are set for the user and registered in the link. The link includes information for use by the user to access the file when the access rights indicate that the user is authorized to access the file.