In the Toyota Production System, we categorize machines into two categories: special-purpose (or dedicated) machines and general-purpose...

Since my last post was about Hozen 【保全】(Maintenance), this is a related topic. Taiichi Ohno said, “Repair and repair are different.” 🤯...

Seiichii Nakajima, pioneer of TPM, shared his experience with Taichi Ohno. Their relationship started when Toyota was awarded the...

What do “Quality” and “Value” mean to your organization? And what is the relationship of the two? Hypothesis: the Toyota Production...

Taiichi Ohno and the Toyota Production System sometimes use “old” Japanese, which we must be careful of. One such example is the word “...

Transportation works. There are many names inside a factory, like material handlers, water spiders, forklift drivers, etc., and...

Heijyunka (Levelization) is considered the foundation of the Toyota Production System. Despite its importance, very few have challenged...

In the Toyota Production System, help is provided when Andon is pulled. “Help” is essential but equally important is how. The first key...

“Kantoku.” This word appears quite frequently in Japan. A movie director is “Eiga Kantoku.” In sports, head coach is translated as...

Production Analysis Board. An essential tool that tracks the activities. Some might call it an “hour-by-hour” board. I mentioned this...

In the world of traffic, we have this concept called the “Right-of-way.” Inside a factory, we might have additional rules for the...

It is an essential tool that is used everywhere. But how do you use it? 1️⃣ Why do we have so many problems? One of the first questions...

One key point to improving efficiency is defining the base unit. The base unit is defined as the following in the Merriam-Webster...

“We are struggling to implement Kaizen…” “Why nobody is working on Kaizen…” If you have such a problem, use this Buddhist “framework” to...

Daily Kaizen. 【日々改善】 This phrase rhymes well with a Budihism philosophy, “Every day, do one Good act【一日一善】.” Buddhism talks about six...

It is good to see that people see the difference between Lean’s “Value stream mapping (VSM)” and Toyota’s “Material information flow...

“Kaizen” is not the original word made by Toyota. It originated about two hundred years ago and had a twin. The twin word is “Kaiaku...

Oobeya is a concept used in Japanese management practices. However, there are many misunderstandings about this concept. Let me clarify...

When discussing Japanese TQM, we often say that Kaoru Ishikawa is its father. Ishikawa's contribution and thinking are enormous and must...

Reflection. Many posts suggest that Hansei is a Japanese philosophy. We practice It very often, with sessions at the end of the year...