In my last article, I talked about the importance of focusing on process structure and dynamics on the shop floor. There are many...

Why is the Toyota production system (TPS) difficult to understand? In my last post, I talked about the change from Taylor to Toyota. As...

Why is the Toyota production system (TPS) difficult to understand? Our root cause analysis reached Frederick Winslow Taylor’s “Scientific...

"Waterspider," "Tugger," "Transporter," etc. Whatever the name of this functionality, the responsibility is to transport the materials...

“Stability.” When we ask a manager, “how are you approaching stability?” the most likely answer will be that they check the KPIs,...

“Stability.” If the processes were stable, we could do a lot more things. The barrier created by not having a steady process is more...

It’s been a year since my father, Hajime Oba has passed away. One of the most surprising comments I heard this year was that Hajime Oba...

In his book, "Workplace management," Taiichi Ohno mentioned that "Illusions reduce efficiencies." (The English translation used the word,...

Every time there is a problem in Toyota’s supply chain, there is an article about why Just In Time doesn’t work. Or Toyota took...

In my last post, I collected some episodes from pull system implementations. Episodes of "Pull System" implementations...

I collected some episodes of "Pull System" implementations. Once a "pull system" was implemented. The following month, when my father...

Heijyun-ka. Levelization. One of the core concepts of TPS. The objective of this concept is to even the workload. Something bothers me...

If someone wants to pretend that they understood TPS, all you have to say is one by one is better than batch. I was not smart enough to...

Seiton （整頓） Seiton. The second word in the 5S. The fact is that “Seiri-Seiton” is a typical Japanese proverb that is part of daily life....

5S. Prevalent TPS concept that spread everywhere. But somehow, we focused on keeping the initial of “S” more than those meanings. Instead...

There are some common misunderstandings about Andon. The operators do not have the authority to stop the line. A red light andon stops...

In the last chapter of "Workplace management," Taichi Ohno wrote that the standard time should be the shortest time. Typical industrial...

“Flow.” One of the core concepts of the Toyota Production System. Today, I would like to try some analysis on this. In a dictionary,...

Last week I wrote about “Kaizen”. To do “Kaizen” we need to find “Muda (Waste)”. So we need to memorize the 7 types of waste…… Let’s...

In my previous post, I wrote about the background of Kaizen. This blog is about when Kaizen was translated, some words or concepts that...