Chapter 6

Process Leaning


In the 1950s, W. Edwards Deming, who popularized the notion that continuous process improvement leads to quality production, developed many modern quality programs in Japan. Today, the practice genba kanri,1 which loosely translates as “workshop management,” is a movement to error-proof processes. The “5 Zs” provide the guiding principles. The Japanese word for “do not”—zu—ends each of the 5 “Z” words:

  • uketorazu: do not accept defects.
  • tsukurazu: do not make defects.
  • baratsukasazu: do not create variation.
  • kurikaesazu: do not repeat mistakes.
  • nagasazu: do not supply defects.

Six Sigma is an error-proofing movement that was started at Motorola in the 1980s, borrowing from the Japanese, with the specific ...

Get Process Mapping and Management now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.