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:
Oct. 30, 2018
Filed:
Apr. 18, 2013
Clarion Co., Ltd., Saitama-shi, Saitama, JP;
Takaaki Sekiguchi, Tokyo, JP;
Yasushi Nagai, Tokyo, JP;
Tatsuaki Osafune, Tokyo, JP;
Ryoichi Fukunaga, Saitama, JP;
Takahiro Okubo, Saitama, JP;
Taiki Imai, Saitma, JP;
Clarion Co., Ltd., Saitama-shi, JP;
Abstract
When compressing an arrangement of fixed-length records in a columnar direction, a data compression device carries out data compression aligned with the performance of a data decompression device by computing a number of rows processed with one columnar compression from the performance on the decompression device side, such as the memory cache capacity of the decompression device or the capacity of a primary storage device which may be used by an application, and the size of one record. Thus, while improving compression ratios of large volumes of data, including an alignment of a plurality of fixed-length records, decompression performance is improved.