Abstract: An intellectual-property accounting management device includes an acquisition price storage unit (202) for storing an acquisition price for each intellectual property, and means for updating the acquisition price in the acquisition price storage unit (202) by inputting the amount of the acquisition expense expended for acquiring a particular intellectual property to perform intellectual property accounting processing.

Abstract: An intellectual property right is listed at an appropriate price by monitoring an initial price set by a broker, and circulation of the intellectual property right is promoted. A Web site references a database including a right situation of a right to be sold and evaluation data used to evaluate the right, determines the value evaluation price of the right to be sold, acquires a listing initial price to be input according to the value evaluation price determined here, and invalidates the initial price if the initial value exceeds a predetermined upper limit price. Here, the predetermined upper limit price is calculated by ?×(1+?) wherein ? is a value evaluation price to be calculated and ? is a coefficient in a range of 0<?<1.

Abstract: An intellectual property right selling/buying system and method enables transfer of an intellectual property right selling/buying right to a broker by employing the call option method and acquiring a call option fee. An application for selling a right to be sold is received from an applicant terminal and a value evaluation price of the right is determined by referencing a right evaluation database. According to a selling period applied and the value evaluation price, a call option fee is calculated, and the sale price of the right is determined based on the value evaluation price and the call option fee. In the event that a trading is successful, a purchase price is transferred from the buyer to the broker and refunds determined based on the value evaluation price and the call option fee is transferred from the broker to the applicant.

Abstract: An intellectual property right is listed at an appropriate price by monitoring an initial price set by a broker, and circulation of the intellectual property right is promoted. A Web site references a database including a right situation of a right to be sold and evaluation data used to evaluate the right, determines the value evaluation price of the right to be sold, acquires a listing initial price to be input according to the value evaluation price determined here, and invalidates the initial price if the initial value exceeds a predetermined upper limit price. Here, the predetermined upper limit price is calculated by ?×(1+?) wherein ? is a value evaluation price to be calculated and ? is a coefficient in a range of 0<?<1.

Abstract: A certificate transceiver includes a CCD sensor unit for reading certificate data from a certificate, a printing unit for writing data into a certificate form, and a network interface for transmitting and receiving data via the communication line. A certificate transmitter side reads and transmits certificate data of the original certificate and writes invalidating data into the certificate by the printing unit. A certificate receiver side writes the received certificate data into a certificate form by the printing unit.