Paper reviewing the use of TRIZ tools and methods in combination with other tools for better manufacturing and production processes improvement. A weakness of the current state of process improvement is mainly solving problems by trivial tools as Brainstorming, which leads to not ideal resolutions to problems in the process. This could be improved by the use of TRIZ. A literature review was used for examination of the current state and history of the use of TRIZ principles in a field of production processes. The review is chronologically structured and focuses on attempts to use TRIZ itself or in combination with other tools with a goal improvement of processes or activities related to the process. The research begins before the year 2000 and it ends by the year 2019. The use of TRIZ for process improvement was described by many authors, and many approaches were tried. From the results, it is seen that TRIZ methods should be beneficial for use in practice. Unfortunately, found solutions are either too complex or without specific descriptions. That could be a cause of why the implementation of TRIZ tools is not spread. Results of review lead to a need for a new, more user-friendly approach based on TRIZ principles for use by engineers in real practice.

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Purpose: In production, problems that are difficult to solve could occur. When a classic problem-solving toolset is not enough, a company must accept not fully satisfying solutions or secondary problems. This paper proposes a new method called Innovation by Increasing Ideality (3I), which helps to resolve difficult problems in production.     Methodology/Approach: Based on a previous literature review a new method was designed. The method leads the solver by a set of steps that lead to a well-described problem, with many ideas or ways, where the solver should search for a satisfying solution. The method is based on TRIZ principles, but it is user-friendly even for users who are not TRIZ specialists but have only basic knowledge of TRIZ principles and its tools. The method is demonstrated in a case study, where a problem with the transportation of parts is successfully solved. Findings: Newly proposed method, compared with the traditional way of resolving a problem, got a much better solution in a shorter time. Research Limitation/Implication: Only one example of use. There is a need for more applications in future. Originality/Value of paper: The paper describes a new method for overcoming difficult problems in production. The method uses TRIZ principles to innovate the process where the problem is. The presented method can serve as a new powerful tool for industrial engineers in practice.