Toyota’s Master Craftsmen: Takumi

Japanese Master Brush Maker Yoshiyuki Hata
Japanese master brush maker Yoshiyuki Hata

You may have heard of Takumi at Toyota. Takumi in general are highly skilled artisans that excel in their craft. Despite Toyota mass-producing cars using lots of machines, they also employ hundreds of Takumi. This blog post takes a deeper look at what a Takumi is, and why they are so important for Toyota and other Japanese companies.

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Evolution of Process Placement at Toyota – Part 1

When setting up a new production – or even when rearranging an existing production – one important decision is how to arrange your processes. I have written a lot on line layout, but this post will look at how the arrangement of lines evolved at Toyota. Some of their insights are now accepted wisdoms in lean, but many companies still struggle with it. This post also looks into the manning of machines, especially multi-machine handling. The blog post is based on the appendix in the Toyota Handbook from 1973.

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How to Do a Lean Transformation – The Toyota Approach

Companies continuously need to improve to survive. Lean can help them with this continuous improvement, so many companies aspire to become lean. The question is, how do you do that? How do you do a lean transformation, or more generally a change management? In this post I would like to talk about what is needed for a company to start their journey to lean. Be warned, it is not easy, and it does require a lot of support from the very top.

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Toyota’s Six Rules for Kanban

Simple Kanban LoopThe kanban system is the most famous way to establish a pull system. As part of their guidelines for kanban, Toyota has established Six Rules for Kanban. They can be found, for example, in the 1973 Toyota Production System Handbook. This blog post describes these six rules, based on the Toyota handbook. While these rules are all true, they are in themselves not sufficient to establish a kanban pull production. Nevertheless, this post will show you these six rules.

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The Toyoda Model G Loom (with Videos)

Toyota Motor originated from the Toyoda loom factory, where Sakichi Toyoda invented looms. Probably the most famous one is the Toyoda Model G Automatic Loom. This loom touches on many points that are part of the Toyota Production System and lean manufacturing. During my last visit to Japan in September, I made some videos detailing many of the features of the Toyoda Automatic Loom from 1924. Be advised: Lots of images and videos ahead!

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Hoshin Kanri and the Kanri Noryoku Program: Rejuvenating Toyota

In my previous posts I explained how Hoshin Kanri works. This post looks at how Toyota embeds Hoshin Kanri as part of their overall management structure. Toyota started this in 1979 when director Masao Nemoto started the Kanri Noryoku Program (管理能力プログラム), usually shortened to KanPro.

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Examples of Jidoka

In my last two posts I talked a lot about what jidoka is, and the underlying philosophy. Many articles do so. But there are almost no actual examples out there of jidoka. But without examples it is difficult to really understand a concept. A great historic example of this is the Toyoda Model G automatic loom from 1925. This is well known, but here I would like to show you how it connects to jidoka. I will also give you a more modern example of a product that you may even own.

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