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H&M OPERATIONS MANAGEMENT
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Net Work
“Net work” Not a popular word. It appears in Taiichi Ohno’s book “Toyota Production System.” This word appears in the figure in the...
hidet77
Apr 30, 20244 min read


The multi-skilled worker is not an almighty worker.
One commonly misunderstood phrase in TPS is the “Multi-skill worker.” Some understand that as “almighty.” “Almighty” and “Multi-skilled”...
hidet77
Apr 16, 20244 min read


Division and confluence points of flow
When we look at the flow, where do you see? One of the most essential places to see is the flow's division and confluence points. Water...
hidet77
Apr 9, 20244 min read


Three Days.
Three days. 72 hours. 4320 minutes. 259,200 seconds. This time in East Asia (or mainly in Japan) has some special meaning. Here are some...
hidet77
Mar 26, 20244 min read


Activity to See
Activity to see has caught our attention in many ways. This is why many languages have many words to describe “see.” See, look, watch,...
hidet77
Mar 19, 20244 min read


Kuhu 【工夫】
Zen 【禅】 and Kaizen 【改善】. English alphabets are similar but two different topics. Yet, there is a concept that connects the two. The...
hidet77
Mar 12, 20244 min read


Taiichi Ohno's Quote
Once in a while, I ran into people who quote Taiichi Ohno saying the following: “In a production plant operation, data are highly...
hidet77
Mar 5, 20243 min read


Sontoku Ninomiya and Houtoku
Many elementary schools in Japan have a statue of Sontoku Ninomiya. Many, such as Sakichi Toyoda, believed in Ninomiya’s philosophy,...
hidet77
Feb 20, 20245 min read


Fact Control
“When you see data, think of it as uncertain (or dangerous).” Kaoru Ishikawa, father of Total Quality Control (TQC) A powerful quote by...
hidet77
Feb 13, 20245 min read


QC Process Table and Standardized Work
QC Process Table. It is often mentioned as part of Total Quality Management, but there is little mention of the link to the Standardized...
hidet77
Feb 6, 20244 min read


"Human Wa【和】" and Standardized Work
In the chapter where Taiichi Ohno talks about standardized work, he concludes that applying standardized work correctly will develop...
hidet77
Jan 30, 20243 min read


Standards and Kaizen
I often ran into the following conditions; “We have standards. But we don’t practice Kaizen.” 🤔 Are we saying that the standards are...
hidet77
Jan 23, 20245 min read


Brief history of 5S in Japanese Factories
This post is about a brief history of 5S in Japanese factories. This will ignore some philosophical aspects or activities outside...
hidet77
Jan 16, 20244 min read


Subject of Seiri
You spend so much energy & time on your 5S. But you don’t see a result. I have posted in the past that “Seiri【整理】” is about; 1️⃣ Organize...
hidet77
Jan 11, 20243 min read


Just In Time and Natural Disaster
“Just In Time” production stops every time a natural disaster hits. Then, there is this argument to keep more inventory comes up. Here is...
hidet77
Jan 8, 20245 min read


Kai 【改】
Since my last post was about Zen【善】 inside Kaizen, this post is about Kai【改】. As I looked deeper into this symbol, it reminded me of my...
hidet77
Jan 4, 20242 min read


"Research of Zen【善】"
Kaizen【改善】 = Continuous Improvement We have used this translation for decades. I have used it. Many others have used it. Once in a while,...
hidet77
Dec 28, 20235 min read


The origin of "Kanban"
Kanban means signboard for typical Japanese. But originally, it wasn’t called Kanban. It was called something else. And the original...
hidet77
Dec 21, 20234 min read


Product Notes
It is said that Kanban started by getting a hint from the supermarket. When we go to a supermarket, customers pick what they want. They...
hidet77
Dec 14, 20234 min read


Total Productive Maintenance
The history of “Total Productive Maintenance (TPM)” starts from what is currently Denso, a Toyota group company. When we look at their...
hidet77
Dec 5, 20234 min read
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