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.

Date of Patent:
Jul. 15, 2003

Filed:

Feb. 02, 2000
Applicant:
Inventors:

Toshio Komasaka, Tokushima, JP;

Chikayasu Bando, Tokushima, JP;

Masato Yasutomi, Tokushima, JP;

Takashi Miyamoto, Tokushima, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/100 ;
U.S. Cl.
CPC ...
G06F 1/100 ;
Abstract

A computer comprises a write monitor unit for monitoring a data write operation into an operating system file, an update data file for storing update data upon detection of a data write operation, an update-log file for storing the history information for the update data in the case where the update data is stored, and a read monitor unit for reading data from the update data file in the case where the history information for the data to be read from the operating system file is stored and reading data from the operating system file in the case where the history information is not stored.


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Komasaka, Toshio. (2003). Method of restoring memory to a previous state by storing previous data whenever new data is stored (U.S. Patent No. 6594781). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6594781

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