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:
Aug. 20, 2019

Filed:

Oct. 01, 2013
Applicant:

Digital Arts Inc., Tokyo, JP;

Inventors:

Toshio Dogu, Tokyo, JP;

Noriyuki Takahashi, Tokyo, JP;

Assignee:

DIGITAL ARTS INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/60 (2013.01); G06F 21/62 (2013.01); H04L 12/58 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
G06F 21/606 (2013.01); G06F 21/62 (2013.01); G06F 21/6209 (2013.01); H04L 51/08 (2013.01); H04L 63/0428 (2013.01); H04L 63/0471 (2013.01);
Abstract

Provided is an electronic file transmission system comprising a data acquiring section that acquires data including an electronic file that is created or attached by a first communication terminal; an extracting section that extracts from the data the electronic file and recipient identification information identifying a correct recipient of the electronic file; an encoding section that encodes the extracted electronic file; and a management information transmitting section that transmits, to a pass phrase management apparatus that transmits to a second communication terminal a pass phrase needed to decode the encoded electronic file, first file identification information identifying the encoded electronic file, the pass phrase, and the recipient identification information.


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