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:
Jun. 06, 2000

Filed:

Mar. 13, 1998
Applicant:
Inventors:

Shigeru Oyanagi, Kanagawa-ken, JP;

Mitsuru Kakimoto, Kanagawa-ken, JP;

Akihiko Nakase, Tokyo, JP;

Assignee:

Kabushiki Kaisha Toshiba, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
705 38 ; 705 10 ; 705 11 ; 705 26 ;
Abstract

A mutual credit server apparatus sends credit information about a seller to an inquiring buyer on a computer. Stored is a direct confidence degree about a seller from the point of view of each of a plurality of buyers. The direct confidence degree is determined by each buyer based on direct trade history. Also stored is a buyer confidence degree about each of the plurality of buyers from the point of view of each buyer. The buyer confidence degree is determined by each buyer based upon trade information from the other buyers. When a confidence inquiry is made about a seller by a buyer, a processing section calculates a total confidence degree about the seller and calculates a buyer confidence degree about each of the other buyers, each calculation being made from the viewpoint of the inquiring buyer.


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