Abstract
The purpose of this study is to examine that transition of categories in information product.It studied the cellular phone and PHS(Personal Handy-Phone System) to discover the trend of information product. Also, It used a multivariate analysis for the extraction of the new categories and it did consideration by the mathematical models. The following was confirmed by the consideration of each extracted product categories. 1.Product categories are influenced by the characteristic function parts. 2.Product categories are related to the new service. That is, It depend on the infrastructure's action.
