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. 06, 2009
Filed:
Nov. 17, 2005
Masahiro Nakanishi, Yawata, JP;
Tomoaki Izumi, Neyagawa, JP;
Tetsushi Kasahara, Hirakata, JP;
Kazuaki Tamura, Toyono-gun, JP;
Kiminori Matsuno, Katano, JP;
Shouichi Tsujita, Kyoto, JP;
Takuji Maeda, Neyagawa, JP;
Shinji Inoue, Neyagawa, JP;
Manabu Inoue, Hirakata, JP;
Masayuki Toyama, Neyagawa, JP;
Keisuke Sakai, Kyoto, JP;
Masahiro Nakanishi, Yawata, JP;
Tomoaki Izumi, Neyagawa, JP;
Tetsushi Kasahara, Hirakata, JP;
Kazuaki Tamura, Toyono-gun, JP;
Kiminori Matsuno, Katano, JP;
Shouichi Tsujita, Kyoto, JP;
Takuji Maeda, Neyagawa, JP;
Shinji Inoue, Neyagawa, JP;
Manabu Inoue, Hirakata, JP;
Masayuki Toyama, Neyagawa, JP;
Keisuke Sakai, Kyoto, JP;
Panasonic Corporation, Kadoma-shi, JP;
Abstract
When a file system control partA writes file data into a main memorya file can be easily written continuously and the number of file copy can be decreased at updating a directory entry by writing the file data and a directory entry into different allocation units. In this manner, when using a nonvolatile memory in which physical block size as an erase unit is larger than cluster size, the write performance can be enhanced.