Technology Life Cycle Analysis Modelling based on Patent Documents ] Lidan Gao, 1,2 Alan L Porter, 3 Jing Wang, 4 Shu Fang, 1 Xian Zhang, 1 Tingting Ma,
![Technology Life Cycle Analysis Modelling based on Patent Documents ] Lidan Gao, 1,2 Alan L Porter, 3 Jing Wang, 4 Shu Fang, 1 Xian Zhang, 1 Tingting Ma,](https://static.fdocuments.in/doc/330x215/55152b7355034673228b5534/technology-life-cycle-analysis-modelling-based-on-patent-documents-lidan-gao-12-alan-l-porter-3-jing-wang-4-shu-fang-1-xian-zhang-1-tingting-ma.jpg)
