Juken Sangyo Co., Ltd.

Tsuyoshi Aoki

Yusho Nakamoto

Tomio Muneishi

A location management method manages the location of a member which move around carrying a GPS-equipped portable telephone. The method includes inquiring of the GPS-equipped portable telephone about its current location, making the GPS-equipped portable telephone return positional information of the current location measured by the GPS function, managing the returned positional information of the current location in a file, searching a map database based on the positional information of the current location, and preparing and displaying map data linked with the positional information of the current location.

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Hatsukaichi, Japan

Tsuyoshi Aoki