The late detection of ergonomic component assembly issues during manufacturing processes has an influence on operator well-being and productivity, as well as having a high cost of correction. Although virtual reality may enhance digital human modeling, there is a knowledge gap on the combination of these technologies to assess ergonomics. This study aims to analyze the application of virtual reality and digital human modeling for physical ergonomics assessment during product development in the industry, through a review of patents and the literature. We searched the Derwent Innovation Index, Scopus, and Web of Science databases and found 250 patents and 18 articles. We observed an exponential increase in patents, concentrated among major technological players, and a wide range of technologies being invented. A significant number of studies focuses on the automotive and aviation industries. Despite a relative consensus in the literature on the benefits of integrating virtual reality and digital human modeling to assess physical ergonomics in the early stages of product development, the technologies are seldom combined in the same analysis; moreover, most cases continue to focus on analyzing pre-designed production processes, when resources are completely deployed. These outcomes may provide a reference for practitioners and researchers to develop novel solutions for the early detection of physical ergonomics issues in the industry.

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Research has shown that ergonomic conditions have a direct influence on safety of employees, on the cost and quality of production. This study aims to review recent patent documents of Virtual Reality apply to ergonomic analysis in industry, related to interaction of people with his workplace. This study analyzes the active patents to map out the technological progress in this area. On this basis, 141 patents were found with an increasing number of publications per year and a spread application. We conclude that, although there are a huge number of new technologies present these recent patents, none of them is related directly to industrial process and people's workplace. Therefore, technologies and method available should be combined in order to support this application.