National Institute of Advanced Industrial Science and Technology

Peace and Passion Inc.

Senlin Guan

Satoshi Hirano

Nuttapong Attrapadung

Purchase from sellers of selection is enabled to be made through simple operations. Furthermore, prospective purchase events are distributed to sellers as needed. Demands of purchase candidates are retrieved. A trade information exchange method for achieving information exchange among multiple computers included in an information communication network: causes memory means to store reception conditions of sellers received from computers of the sellers; causes the memory means to store request information received from a computer of a purchaser; makes a first selection of choosing one or more sellers having reception conditions that conform to the request information; transmits the request information that does not include purchaser contact information to the computers of the sellers selected in the first selection, subsequently receives information indicating bids, makes a second selection of choosing one or more sellers according to the bids among limited sellers offering bids that can be successfully charged; and permits communication between the computers of the sellers selected in the second selection and the computer of the purchaser.

Growing community of inventors

Ibaraki, Japan

Senlin Guan