Leanblog iconLeanblogJun 16, 2026

102 Seconds vs. 300 Seconds: Toyota’s 1992 Case for One-Piece Flow

That's the comparison the 1992 booklet uses to make the case for one-piece flow. The only difference is whether they batch the work in lots of 100 or hand off one piece at a time.

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That's the comparison the 1992 booklet uses to make the case for one-piece flow.

The only difference is whether they batch the work in lots of 100 or hand off one piece at a time.

Toyota's 1992 Case for One-Piece Flow by Mark Graban appeared first at Lean Blog.

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That's the comparison the 1992 booklet uses to make the case for one-piece flow. The only difference is whether they batch the work in lots of 100 or hand off one piece at a time. Toyota's 1992 Case for One-Piece Flow by Mark Graban appeared first at Lean Blog.

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  • Same work, same number of people, same total processing time.

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