TQM is an approach to quality management developed by Dr. Joseph Juran, which is aimed at putting the company in a leading position vis-à-vis competitors using six success factors simultaneously. The following methods are counted as part of TQM: Zero defects principle (in every processing stage) The principle of 5 Why Kaizen as a systematic learning process at the workplace Simultaneous engineering; i.e. networking, feedback, cross-functional teams, the process idea.