Hitachi Electronics Services Co. Ltd.

Link Laboratory Inc.

Hitachi Electronic Service Co. Ltd.

Toshihito Ochi

Norikazu Yamagishi

Mutsuharu Takesada

Takaaki Habara

Yoshitaka Kawamura

Mineo Ogino

Tadayuki Ichiba

Masato Tachibana

Masahiko Kurata

Hiromi Kawaguchi

Hikaru Numoto

Naoyoshi Machida

Noriaki Shiomi

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.

Credit card double authentication system

Method for collecting information about physical constitution of lan

Growing community of inventors

Yokohama, Japan

Toshihito Ochi