TRIZ (‘theory of the resolution of invention-related tasks’) is ‘a problem-solving, analysis and forecasting tool derived from the study of patterns of invention in the global patent literature.’ It was developed by Soviet inventor and science-fiction author Genrich Altshuller (1926-1998) and his colleagues, beginning in 1946.
In English the name is typically rendered as the theory of ‘inventive problem solving,’ and occasionally goes by the English acronym TIPS.
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The Daily Omnivore 