System of Profound Knowledge: His management philosophy that emphasizes understanding variation, psychology, systems thinking, and the theory of knowledge.
Quality improvement: Deming stressed that quality should be built into the product from the beginning, rather than inspecting for defects after production.
While initially overlooked in the United States, his methods gained widespread recognition in Japan, where he is credited with contributing significantly to Japan's post-war economic miracle. Japanese manufacturers adopted his principles, leading to dramatic improvements in product quality and manufacturing efficiency. The prestigious Deming Prize was established in Japan in 1951 to recognize companies that excel in quality management.