Fish bone chart9/8/2023 ![]() ![]() This wasn’t the first attempt of its kind, but it was the most structured. Eventually, he began to elaborate on an annotation idea that he had – showing branched causality between problem antecedents and an identified effect. Ishikawa was an engineer working at the University of Tokyo as well as with the Japanese Union of Scientists and Engineers. ![]() “I popularized the fishbone diagram… What have you done today?” Instead, it began its existence humbly at that point as a scribble on Kaoru Ishikawa’s notepaper. This is because it didn’t exist prior to that. You’ll more than double your finesse with this tool* - so let’s get to it.īefore 1960, there were no conversations about the fishbone diagram, its utility, or whether people were using it properly. You may think you know fishbone diagrams, but not to the level that I’ll cover here. To do this, I’ll explain one of the most broadly applicable and durable root cause analysis tools to investigate the quality of your manufacturing processes: the fishbone diagram. Now we’ll discuss what needs to happen when a defect or nonconformance is detected and it needs to be investigated. The previous article in this series was focused on identifying manufacturing trends so you can know when to act and when to let your processes run without interference. ![]() Part 2 of Identifying And Resolving Errors, Defects, And Problems Within Your Organization - a five-part series on operationalizing proper improvement techniques ![]()
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