Electronic Commerce System and Electronic Commerce Method

• US 20070299739A1
• Filed: 08/16/2007
• Published: 12/27/2007
• Est. Priority Date: 03/12/2001
• Status: Active Grant

• Current Assignee: Akio Urabe
• Original Assignee: Akio Urabe
• Inventors: Urabe, Akio
• Granted Patent: US 8,190,484 B2
• Time in Patent Office: Days
• US Class Current: 705/26.8
• CPC Class Codes: G06Q 20/02 involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
• CPC Class Codes: G06Q 20/04 Payment circuits
• CPC Class Codes: G06Q 20/10 specially adapted for electronic funds transfer [EFT] systems; specially adapted for home banking systems
• CPC Class Codes: G06Q 20/12 specially adapted for electronic shopping systems
• CPC Class Codes: G06Q 20/382 insuring higher security of transaction
• CPC Class Codes: G06Q 30/06 Buying, selling or leasing transactions
• CPC Class Codes: G06Q 30/0601 Electronic shopping [e-shopping]
• CPC Class Codes: G06Q 30/0609 Buyer or seller confidence or verification
• CPC Class Codes: G06Q 30/0613 Third-party assisted
• CPC Class Codes: G06Q 30/0633 Lists, e.g. purchase orders, compilation or processing

Abstract

A message, including ordering-data receiving process of receiving ordering data including price information representing a price of a target product to be purchased and personal information including ID information which has previously been given to at least one purchaser for sales, via a network a payment determination process of determining whether to pay the price of the target product to a seller, based on the price information included in the received ordering data and purchaser ID Information included in the received personal information a settlement-permission information sending process of sending, in a case where it is determined at said determining step to pay the price of the target product for the at least one purchaser, settlement permission information representing that it is determined to pay the price for the purchaser to the seller through a network, while the ID information is secret from the seller.

Claims

1. An electronic commerce method comprising:

an ordering-data receiving process of receiving ordering data including price information representing a price of a target product to be purchased and personal information including ID information which has previously been given to at least one purchaser for sales, via a network;

a payment determination process of determining whether to pay the price of the target product to a seller, based on the price information included in the received ordering data and purchaser ID Information included in the received personal information; and

a settlement-permission information sending process of sending, in a case where it is determined at said determining step to pay the price of the target product for the at least one purchaser, settlement permission information representing that it is determined to pay the price for the purchaser to the seller through a network, while the ID information is secret from the seller.

2. The electronic commerce method according to claim 1, wherein

the ordering data is generated by a seller terminal used by the seller, transmitted to a purchaser terminal used by the at least one purchaser via an electronic medium, and the personal information is added to the ordering data by the purchaser terminal.

3. The electronic commerce method according to claim 1, further comprising the process of

downloading, into the purchaser terminal, a program for adding the personal information to the ordering data provided from the seller terminal, every time the at least one purchaser makes an order for the at least one product, and

wherein said ordering-data receiving process receives data items including the personal information which has been added to the ordering data in accordance with the program downloaded into the purchaser terminal.

4. The electronic commerce method according to claim 1, wherein

a first message digest is formed from the ordering data in a shorter form than the ordering data, using the seller terminal, the created first message digest is added to the ordering data, and the ordering data with the first message digest added thereto is sent to the purchaser terminal, and

said receiving process receives data items, including the ordering data sent by the seller and the first message digest, to which the personal information is added, from the purchaser terminal, and

said settlement information sending process sends data items, including the settlement permission information, the ordering data and the first message digest, to the seller terminal, in a case where to send the settlement permission information to the seller terminal.

5. The electronic commerce method according to claim 4, further comprising a determination process of:

acquiring a first forming technique employed for forming the first message digest in a shorter form than the ordering data, before performing at least said payment determination process;

comparing the ordering data received from the purchaser terminal with the first message digest, using the acquired first generation technique; and

determining validity of the ordering data.

6. The electronic commerce method according to claim 4, wherein:

a second message digest is formed from data items including the ordering data, the personal information and the first message digest, by the purchaser terminal; and

said receiving process receives the data items, including the first message digest, the ordering data and the personal information, to which the second message digest is added.

7. The electronic commerce method according to claim 6, further comprising a determination process of:

acquiring a second forming technique employed for forming the second message digest in a shorter form than the data items by the purchaser terminal, before performing at least the payment determination process;

comparing, using the acquired second forming technique, the ordering data received form the purchaser terminal, the personal information, the first message digest, and the second message digest; and

determining validity of the ordering data.

8. The electronic commerce method according to claim 1, wherein said settlement-information sending process:

generates a third message digest from data items including the settlement permission information and the ordering data, in a shorter form than the data items; and

sending the data items including the third message digest, the settlement permission information and the ordering data to the seller terminal.

9. The electronic commerce method according to claim 8, further comprising a sharing process of controlling the seller terminal to use the third forming technique used for forming the third message digest, in order to control the seller terminal to compare the third message digest with the data items including the settlement permission information and the ordering data.

10. The electronic commerce method according to claim 6, wherein said settlement-information sending process:

forms a third message digest from data items including the settlement permission information, the ordering data and the first message digest in a shorter form than the data items; and

sending data items including the third message digest, the settlement permission information, the ordering data and the first message digest to the seller terminal.

11. The electronic commerce method according to claim 10, further comprising a sharing process of controlling the seller terminal to use the third forming technique employed for generating the third message digest, in order to control the seller terminal to compare the third message digest with the data items including the settlement permission information, the ordering data and the first message digest.

12. The electronic commerce method according to claim 11, further comprising a sending process of sending the ordering data and order-reception information representing that an order for the at least one product has been received, to the purchaser terminal from the seller terminal, in a case where it is determined to pay at said payment determination process and the ordering data and the settlement permission information are sent to the seller terminal.

13. The electronic commerce method according to claim 12, wherein:

a fourth message digest is formed from data items including the order-reception information and the ordering data, in a shorter form than the data items, by the seller terminal; and

data items including the fourth message digest, the order-reception information and the ordering data are sent to the purchaser terminal from the seller terminal.

14. The electronic commerce method according to claim 13, wherein

a fourth forming technique, employed by the seller terminal for forming the fourth message digest, is shared between the seller terminal and the purchaser terminal.