To form the address display changing data capable of easily and surely changing address data.
In this address display changing data forming method for re-writing address display of the address data, the former address data having address display data corresponding to the coordinate data and the new address data having new address display data corresponding to the coordinate data are prepared. A forming system compares the address display data, which have the coordinate data corresponding to each other, with each other among the data contained in the former and the new address data, and in the case of inconsistency of the coordinate data, the address display data of the former address data is used as the former address display data, and the address display data of the new address data is used as the new address display data to form the address display changing data by associating both.
YAMAGUCHI SUKEICHI
SHIBAHARA YOSHINORI
SATO HIROSHI
ARASATSUTO KK