Fujitsu Corporation

Mitsuru Nakajima

Toshihiro Kodaka

Hitoshi Monma

Mikako Fujii

Yoshiaki Imajima

Takayoshi Handa

Akira Umebachi

An authentication system, program and method authenticates users who are parties to a transaction by supplying a first user with a matching key for a prospective transaction, receiving by a second user the matching key supplied to the first user; and matching the key supplied from the first user to the second user against the key supplied to the first user, after the second user has received the key from the first user.

Authentication method, authentication system, payment system, user apparatus and recording medium containing program for conducting authentication

The present invention relates to a system wherein each of a reservation server that makes reservations of sales and purchases, a portable terminal owned by a user who makes a reservation, and a shop terminal provided in stores where goods are sold, and a service or entertainment is provided, is connected to a communication network whereby the user makes a reservation for sales or purchase by accessing the reservation server, the reservation server encrypts contents of the sales/purchase reservation and transmits the encrypted reservation information to the aforementioned portable terminal, the user presents the transmitted encrypted reservation information to the shop terminal, visiting the shop terminal, and the shop terminal accesses the reservation server to confirm whether the presented encrypted reservation information is legitimate or not and admits the presenter of the encrypted reservation information if the reservation information is legitimate.

Reservation method, reservation authentication method, reservation confirmation method, reservation servers, shop terminals, portable terminals and memory media

An information search system enabling an information searcher to easily surely judge whether each piece of search target information searched is important to the searcher himself or herself. The information search system implements a function of calculating, when searching for property information on a real estate property that satisfies a search condition specified by a certain user, a degree of fitness indicating how much each piece of property information satisfies the search condition on the basis of a degree-of-fitness calculation function for that user, and a function of enabling each user to change a configuration of the degree-of-fitness calculation function for the user himself or herself.

Growing community of inventors

Kawasaki, Japan

Mitsuru Nakajima