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. 07, 2014
Filed:
Feb. 29, 2012
Kouichi Yasaki, Kawasaki, JP;
Hidenobu Ito, Kawasaki, JP;
Yousuke Nakamura, Kawasaki, JP;
Kazuaki Nimura, Kawasaki, JP;
Zhaogong Guo, Kawasaki, JP;
Kouichi Yasaki, Kawasaki, JP;
Hidenobu Ito, Kawasaki, JP;
Yousuke Nakamura, Kawasaki, JP;
Kazuaki Nimura, Kawasaki, JP;
Zhaogong Guo, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An information terminal includes: a storage unit to store information; a data encryption unit to encrypt the information and decrypt the encrypted information using an encryption key; a pre-deletion unit to delete the encryption key; a signal detection unit to detect an interruption signal; a pre-deletion setting unit to instruct the pre-deletion unit to delete the encryption key in response to the detection of the interruption signal; and a deletion stop unit to stop deletion of the encryption key by the pre-deletion unit.