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:
Sep. 23, 2025
Filed:
Jun. 08, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Junghoon Kim, Suwon-si, KR;
Hyuntae Kim, Suwon-si, KR;
Hojin Ahn, Suwon-si, KR;
Jihun You, Suwon-si, KR;
Doogie Lee, Suwon-si, KR;
Yeni Jang, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A storage system includes a host device including a file system configured to set a plurality of block expiration times respectively corresponding to a plurality of data blocks included in a file, and a storage device configured to store data according to control of the host device. The storage device includes a nonvolatile memory device configured to store the plurality of data blocks provided from the host device, a storage timer configured to provide a count value by counting time, and a data deletion manager. The data deletion manager generates a data deletion information table including a plurality of block deletion times based on the plurality of block expiration times provided from the host device. The data deletion manager deletes each data block of the plurality of data blocks stored in the nonvolatile memory device based on the data deletion information table and the count value.