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Lee, Changyong
Technology and Innovation Management Lab
Research Interests
  • applied data mining and machine learning, technology and innovation management, service engineering

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Novelty-focused patent mapping for technology opportunity analysis

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Title
Novelty-focused patent mapping for technology opportunity analysis
Author
Lee, ChangyongKang, BokyoungShin, Juneseuk
Issue Date
2015-01
Publisher
ELSEVIER SCIENCE INC
Citation
TECHNOLOGICAL FORECASTING AND SOCIAL CHANGE, v.90, no.PB, pp.355 - 365
Abstract
Patent maps are an effective means of discovering potential technology opportunities. However, this method has been of limited use in practice since defining and interpreting patent vacancies, as surrogates for potential technology opportunities, tend to be intuitive and ambiguous. As a remedy, we propose an approach to detecting novel patents based on systematic processes and quantitative outcomes. At the heart of the proposed approach is the text mining to extract the patterns of word usage and the local outlier factor to measure the degree of novelty in a numerical scale. The meanings of potential technology opportunities become more explicit by identifying novel patents rather than patent vacancies that are usually represented as a simple set of keywords. Finally, a novelty-focused patent identification map is developed to explore the implications on novel patents. A case study of the patents about thermal management technology of light emitting diode (LED) is exemplified. We believe the proposed approach could be employed in various research areas, serving as a starting point for developing more general models.
URI
https://scholarworks.unist.ac.kr/handle/201301/5090
URL
https://www.sciencedirect.com/science/article/pii/S004016251400167X?via%3Dihub
DOI
10.1016/j.techfore.2014.05.010
ISSN
0040-1625
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SME_Journal Papers
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