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What Toyota’s 1992 Booklet Means by Kaizen and Job Ownership

Lean Blog Post Cover Image - 2026-05-04T072020.396

Nearly two million improvement proposals in a single year. Ninety-seven percent implemented. That doesn’t sound like the suggestion-box model most organizations know. It sounds like something else. The number comes from Toyota’s April 1992 publication “The Toyota Production System.” It…

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