Patent ID: 7249057

Claim:
A product information supply method comprising: receiving combination information about combinations of products from a terminal of an individual who has bought the combination of products, wherein the combination information comprises a relationship between combined products, the relationship comprises at least one of compatibility, complement, and added value, and a type of use which indicates a use and a scene of which a related product of the combined products is useful to and a profile about the individual; making registration of said combination information in a database, so that the combination information can be accumulated; searching the database in response to inquiries about the combination information extracted from the database, wherein each of the inquiries corresponds to a choice signal that indicates a product chosen at a terminal of a consumer in order to specify a candidate for at least one purchase and place a buy order, and the combination information extracted from the database has been registered by an individual having a similar profile to the profile of the consumer; supplying the terminal of the consumer the combination information which comprises the relationship between the combined products, a type of use, and a degree of usefulness of the combination information; allowing a plurality of consumers to each purchase a same combination of products via a network, as that of the combination of products purchased by the individual; and determining priority of supplying a consumer with the combination information and the degree of usefulness based on a number of times a purchase of the same combination of products have been made based on the combination information, and based on a number of times reference has been made to a Web page that introduces the same combination of products described in the combination information as link information.