Toyota Control Charts 1950’s Example

Quality control has a long history within both Toyoda the parent loom company and Toyota the automotive manufacturing company. Sakichi Toyoda started making looms in the late 1890’s. His work culminated in the impressive 1924 Type G Auto Loom (click for image of sample machines). The Type G loom was noted for its non stop shuttle change and the concept of “Jidoka” ...
Read More

Toyota QC Circle Example

Here is a detailed example of what a QC Circle activity looks like in Toyota these days. The following link will take you over to the blog part of the A3Thinking.com website I set up with Professor Durward Sobek. Inside the link is a 24 slide presentation that won a plant level award in a QC Circle competition a year or two ago inside Toyota. Toyota QC Circle Activi...
Read More

Handbook for TQM and QC Circles

Isao Kato is the retired manager for the old Education and Training Division of Toyota Motor Corporation. I spent some time interviewing Mr. Kato when Professor Sobek and I set out to draft A3 Thinking. In particular I was curious about some of the intellectual roots of A3 Reports inside Toyota. As I learned in discussion with Mr. Kato there is no one single item that ...
Read More