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. 09, 2024
Filed:
Sep. 09, 2021
Kioxia Corporation, Tokyo, JP;
Youhei Fukazawa, Kawasaki Kanagawa, JP;
Kohei Oikawa, Kawasaki Kanagawa, JP;
Sho Kodama, Kawasaki Kanagawa, JP;
Keiri Nakanishi, Kawasaki Kanagawa, JP;
Takashi Miura, Yokohama Kanagawa, JP;
Daisuke Yashima, Tachikawa Tokyo, JP;
Masato Sumiyoshi, Yokohama Kanagawa, JP;
Zheye Wang, Kawasaki Kanagawa, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
According to one embodiment, a compression device includes a first storage unit, a second storage unit, a calculation unit, and a comparison unit. The first storage unit stores addresses associated with hash values, respectively. The second storage unit includes storage areas specified by the addresses, respectively. The calculation unit determines a hash function to be used for first data in accordance with at least a part of the first data, and calculates a hash value using the hash function and at least a part of second data included in the first data. The comparison unit acquires third data from a storage area in the second storage unit specified by a first address, and compares the second data with the third data. The first address is stored in the first storage unit and is associated with the hash value.