Patent ID: 7123977
Filing Date: 2006-10-17
Classification: G06Q

Abstract:
1. A production planning system for making a production plan of products by calculating a material necessary amount for at least one product on the basis of production request information containing a necessary number of the products and a date, parts list information of the products and information about inventory and inventory schedule of each parts, comprising at least an input unit; an output unit; a storage unit; and a calculation processing unit; wherein the input unit accepts production request information of at least one product, parts list information and information about inventory and inventory schedule of each parts; and when the calculation processing unit generates a production plan of the product by calculating the material necessary amount on the basis of the information inputted from the input unit, the calculation processing unit sets a production infeasible number of sets as a new necessary number to a date later than the date designated by the production request information when the production infeasible number of sets exists for the necessary number of the production request information, calculates the material necessary amount, generates the production plan and outputs the production plan to the output unit.