Hitachi Electronic Service Co. Ltd.

Noriaki Shiomi

Norikazu Yamagishi

Mutsuharu Takesada

Yoshitaka Kawamura

Takaaki Habara

Toshihito Ochi

Hikaru Numoto

A credit card double authentication system comprises an item checkout gate , an ID authentication check/item checkout unit , a personal computer of an in-store card management section , an item ID assignment unit , a card management center and a credit card company which are connected via a communication line so as to send and receive item information. An individual authenticating unit having an identity authenticating function performs identity authentication based on a card ID of a credit card CC being used by a user P when purchasing an item and based on a personal ID of the user P, thereby preventing unauthorized use of the credit card.

Growing community of inventors

Yokohama, Japan

Noriaki Shiomi