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:
Sep. 03, 2024
Filed:
Mar. 29, 2018
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Toshiyuki Isshiki, Tokyo, JP;
Kazue Sako, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06Q 40/04 (2012.01); G06F 16/23 (2019.01); G06F 21/60 (2013.01); G06F 40/289 (2020.01); G06Q 10/10 (2023.01); G06Q 20/02 (2012.01); G06Q 20/38 (2012.01); G06Q 20/40 (2012.01); G06Q 30/08 (2012.01); G06Q 50/06 (2012.01); H04L 9/32 (2006.01); H04L 51/046 (2022.01);
U.S. Cl.
CPC ...
G06Q 40/04 (2013.01); G06F 16/2379 (2019.01); G06F 21/602 (2013.01); G06F 40/289 (2020.01); G06Q 10/10 (2013.01); G06Q 20/02 (2013.01); G06Q 20/38215 (2013.01); G06Q 20/401 (2013.01); G06Q 30/08 (2013.01); G06Q 50/06 (2013.01); H04L 9/3221 (2013.01); H04L 51/046 (2013.01); G06Q 2220/00 (2013.01);
Abstract
An electronic transaction system includes a plurality of administration servers, a terminal, a transaction server. The plurality of administration servers provides an electronic bulletin board. The terminal writes bid data including an encrypted price to the electronic bulletin board. The transaction server gets the written bid data, decrypts the encrypted price, executes transaction using the decrypted price by Zaraba scheme.