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Ley Hill Solutions Newsletter Ley Hill Solutions Newsletter - May 2010 (extract) Quality Guru Series 3. Dr. Kaoru Ishikawa Born in Tokyo in 1915 and also raised and educated in Tokyo, gaining an engineering degree in applied chemistry, Dr Kaoru Ishikawa first became a naval technical officer, moved on to work at the Nissan Liquid Fuel Company and then became a professor at the University of Tokyo. In 1949 he joined the Japanese Union of Scientists and Engineers (JUSE) quality control research group. It was his skill at mobilising large groups of people towards a specific common goal that was largely responsible for Japan's quality- improvement initiatives. He translated the concepts of, amongst others, W. Edwards Deming (second in our Quality Guru Series), integrating and expanding these into the Japanese system of management. In 1962, in conjunction with JUSE, he introduced the concept of quality circles, which embedded quality training at all levels of an organisation. These soon became very popular and formed an important link in a company's Total Quality Management System. Ishikawa also wrote books on quality circles and on Quality Control (his Guide to Quality Control was translated into English). In 1982 he developed the Ishikawa diagram (also known as the Fishbone or Cause and Effect diagram), which is used to determine root causes. The diagram systematically represents and analyses the real causes behind a problem or effect. It organises the major and minor contributing causes leading to one effect (or problem), defines the problem and identifies probable causes by narrowing down the possible ones. It also helps groups to be systematic in the generation of ideas and to check that they have stated the direction of causation correctly. The diagrammatic format also helps when presenting results to others. Ishikawa is also known for the assembly and use of the "seven basic tools of quality" i.e. Pareto analysis - what are the big problems? Cause and effect diagrams - what causes the problems? Stratification - how is the data made up? Check sheets - how often it occurs or is done? Histograms - what do overall variations look like? Scatter charts - what are the relationships between factors? Process control charts - which variations to control and how? He believed these seven tools should be known widely in an organisation, if not indeed by everyone, and used to analyse problems and develop improvements. Used together they form a powerful tool kit. Respected throughout his life as a major contributor in the field of quality, in 1977 he was awarded the Blue Ribbon Medal by the Japanese Government for achievements in industrial standardization and in 1988, a year before his death, he also received the Order of the Sacred Treasures, Second Class, a Japanese order of merit. The information provided in this newsletter and on our website is as correct and up to date as we can make it. no warranty, express or implied, is given regarding its accuracy. We do not accept any liability for errors or omissions. We shall not be liable for any damages (including, without limitation, damage for loss of business or loss of profits) arising from the use of, or inability to use, this site or any information contained it it, or from any action or decision taken as a result of using this site, or any such information. .
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