Kaoru Ishikawa citations

“In management, the first concern of the company is the happiness of people who are connected with it. If the people do not feel happy and cannot be made happy, that company does not deserve to exist… The first order of business is to let the employees have adequate income. Their humanity must be respected, and they must be given an opportunity to enjoy their work and lead a happy life.”

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Kaoru Ishikawa

Kaoru Ishikawa, as cited in: Howard S Gitlow (2000), Quality Management Systems: A Practical Guide. p. 3

“The fact must be expressed as data, but there is a problem in that the correct data is difficult to catch. So that I always say "When you see the data, doubt it!" "When you see the measurement instrument, doubt it!… For example, if the methods such as sampling, measurement, testing and chemical analysis methods were incorrect, data… to measure true characteristics and in an unavoidable case, using statistical sensory test and express them as data.”

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Kaoru Ishikawa

Kaoru Ishikawa in: Annual Quality Congress Transactions, (1981), p. 130

“90 percent of all problems can be solved by using the techniques of data stratification, histograms, and control charts. Among the causes of nonconformance, only one-fifth or less are attributable to the workers.”

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Kaoru Ishikawa

Kaoru Ishikawa, as cited in:The Quality Management Journal. Vol. 1 (1993), p. 89