Analysis Of Sakichi Toyoda, One Of The Fathers Of Japanese Industrial Revolution

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5 Why Sakichi Toyoda, one of the fathers of the Japanese industrial revolution, developed this technique in the 1930s. He was an industrialist, inventor and founder of Toyota industries. His technique became popular in the 1970s and Toyota still uses it to solve problems today. Toyota has a “go and see” philosophy which means that its decision making is based upon an in-depth understanding of the processes and conditions on the shop floor, rather than reflecting what someone in a boardroom thinks might be happening. 5 Whys methodology can help identify the root cause of a problem, determine the relationship between different root causes of a problem and it is one of the simplest tools which is easy to complete without statistical analysis. It is mainly beneficial when the problems involve human factors or interactions. Also in day-to-day business life; this tool can be used within or without a Six Sigma project. The first step to proceed with the 5 Why methodology is to write down the specific problem; as writing helps to formalize the problem and describe it completely. Next step is to ask why the problem happens or occurs and then write down the answers below the problem. Follow the first step till the provided answer identifies the root cause of the problem. Keep on repeating the procedure until the team agrees that the problem’s root cause is identified. The 5 Whys can be used individually or as a part of the fishbone (also known as the cause and effect or Ishikawa)

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