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Historian Thomas Hughes (1977) describes the features of Edison's method. In summary, they are: Hughes says, "In formulating problem-solving ideas, he was inventing; in developing inventions, his approach was akin to engineering; and in looking after financing and manufacturing and other post-invention and development activities, he was innovating."
TRIZ flowchart Contradiction matrix 40 principles of invention, principles based on TRIZ. One tool which evolved as an extension of TRIZ was a contradiction matrix. [14] The ideal final result (IFR) is the ultimate solution of a problem when the desired result is achieved by itself.
The inventor's paradox is a phenomenon that occurs in seeking a solution to a given problem. Instead of solving a specific type of problem, which would seem intuitively easier, it can be easier to solve a more general problem, which covers the specifics of the sought-after solution.
Examining numerous inventions made it possible to assign each conflict with a set of possible hints or strategies on how to approach the solution to the problem. Three types of hints are used: principles, standards and physical effects. There are 40 principles; each help with defining high-level strategies for solving the problem.
The ancient world is filled with remarkably impressive recipes for building materials—the Maya’s lime plaster is one of them.
The Examining Divisions, Opposition Divisions, and Boards of Appeal of the EPO predominantly [notes 1] apply the "problem-and-solution approach" (also called "problem-solution approach") to assess and decide whether an invention involves an inventive step. [3]