A manufacturing process control apparatus that controls a manufacturing process divided into a plurality of steps that are controlled by a plurality of user terminals, comprising transmitting means that, when conditions for the execution of one step of said plurality of steps are met, transmits to the...http://www.google.com/patents/US7356375?utm_source=gb-gplus-sharePatent US7356375 - Method and device for executing work consisting of a plurality of steps under computer control