Minoura warns “simply introducing kanban cards or andon boards doesn’t mean you’ve implemented the Toyota Production System, for they remain nothing more than mere tools. The new information technologies are no exception, and they should also be applied and implemented as tools.”
Early in his career, Minoura worked under Taiichi Ohno, recognized as the creator of the Toyota Production System. Ohno, through tireless trial and error, managed to put into practice a “pull” system that stopped the factory producing unnecessary items. But Minoura observes that it was only by developing this “loose collection of techniques” into a fully-fledged system, dubbed the Toyota Production System or TPS, that they were able to deploy this throughout the company
continue reading: Toyota Special Report: Thinking Production System