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.:

US 8683580 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 25, 2014

Filed:

Aug. 18, 2011
Applicant:

Takeo Shimizu, Osaka, JP;

Inventor:

Takeo Shimizu, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01);
U.S. Cl.
CPC ...
Abstract

An image forming apparatus includes: an authentication unit that can execute a login process and a logout process; an operation unit that receives an instruction for the logout process from the user; a user attribute storage unit that stores the identification information of a non-logged-out user; a determination unit that determines whether a logged-in user, who is a user for whom the login process is executed by the authentication unit, is the non-logged-out user, based on the identification information stored in the user attribute storage unit; and a forced logout processing unit that, in a case in which the logged-in user is determined to be the non-logged-out user by the determination unit, instructs the authentication unit to execute the logout process when a predefined particular process among the plurality of processes is executed and completed by the processing unit.


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Shimizu, Takeo. (2014). Image forming apparatus, image forming system, and authentication device (U.S. Patent No. 8683580). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8683580

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