Learning

Kaizen

A practical, in-depth guide to kaizen — taught the way Toyota teaches it: as the skills a leader builds to see waste, analyze a job, and improve it. This is the work-kaizen craft of observe → analyze → improve, not a one-week event.

Contents · 10 sections 01

Why Kaizen

The leader's broad role, why cost reduction — not price or volume — is the lever a plant controls, and why the path to more production runs through eliminating waste, not working harder.

Figures: Cost-plus vs cost-reduction principle · Methods of increasing production

~9 min 02

Seeing Waste

How work divides into value-added, incidental, and waste; the seven wastes, with overproduction the worst because it creates and hides the rest; muda, mura, and muri; and true versus apparent efficiency.

Figures: Work & waste · The seven wastes · Muda · Mura · Muri · True vs apparent efficiency

~11 min 03

The Six-Step Kaizen Procedure

The kaizen cycle as applied scientific method, why there is no single agreed number of steps — 6, 8, or 12 all map to PDCA — and what each of the six steps does.

Figures: The six-step kaizen cycle · 6 / 8 / 12 steps mapped to PDCA

~9 min 04

Step 1 — Discover the Opportunity

Problem awareness and where problems hide, and the six ways to find waste: question the purpose, the seven wastes, production lead time, separation of man and machine, the performance analysis board, and 5S.

Figures: Lead time vs processing time · Performance analysis board · The Five S

~11 min 05

Step 2 — Analyze the Current Situation

The kaizen attitude — the three actuals — and analytic thinking, then the analysis toolkit: motion analysis and Therbligs, work-element analysis with the 5W1H/ECRS sheet, time study, standardized work, and equipment-loss analysis.

Figures: Analysis techniques · Therblig motion analysis · Work-element analysis sheet · Equipment-loss waterfall

~14 min 06

Step 3 — Generate Ideas

The psychological barriers to creativity, the principles of generating ideas, the focus points that pull improvement ideas out of manual work, and the classical toolkits — motion economy, Osborne's checklist, and brainstorming.

Figures: Four barriers to creativity · Manual-work focus points · Three classical idea toolkits

~11 min 07

Step 4 — Make the Plan

Drawing up several proposals and choosing the best, work kaizen before equipment kaizen, the six directions of kaizen (ECRS extended), and turning the choice into an implementation plan.

Figures: The six directions of kaizen · Implementation plan · Worked countermeasure table

~10 min 08

Steps 5 & 6 — Implement & Confirm

Implementing with cooperation and guiding team members through the change — using Job Instruction — then confirming results against the objective, updating the standard so it holds, and beginning again, because kaizen is endless.

Figures: Before / after metrics · Effect confirmation run chart · Kaizen is endless

~11 min 09

The Kaizen Skills Map

The honest breadth and depth of the craft. People think they know how to do kaizen; this is how detailed it actually gets — the full skill set, organized as a competency map and a development path.

Figures: The four domains · The Kaizen Skills Map · A glimpse of the mature map

~10 min 10

A Modern Kaizen Ability Map

An advanced reference: the most detailed version of Toyota's kaizen ability map we've come across — four domains, twenty-two subject areas, and close to 384 individually-assessed skills, each scored on a six-level scale. A decade-old snapshot, not a complete catalog.

Figures: The six-level capability scale · The twenty-two subject areas

~8 min