Kobayashi 20 Keys 2025 Toyota. 20 keys has helped many manufacturing companies integrate the top manufacturing improvement methods into a coordinated system for drastic and continual. The 20 keys international partner network, with its head office at pdi, in tokyo japan, is a globally represented operations improvement consulting company.
Book review by peter gardner. Iwao kobayashi was, at the time that he developed the 20 keys system, considered as the best expert in japan on quick changeover technologies.