[1] U Lichtenthaler. Intellectual property and open innovation:an empirical analysis. International Journal of Technology Management, 2010, 52:3-4, 372-391.
[2] B Philipp, N Bastian, S Gerhard. Paving the road to electric vehicles-A patent analysis of the automotive supply industry. Journal of Cleaner Production, 2017, 167:75-87.
[3] Y S Chen. Using patent analysis to explore corporate growth. Scientometrics, 2011, 88(2):433-448.
[4] M Kim, C Kim. On a patent analysis method for technological convergence. Procedia Social and Behavioral Sciences, 2012, 40:657-663.
[5] B Andersen. The hunt for S-shaped growth paths in technological innovation:a patent study. Journal of Evolutionary Economics, 1999, 9(4):487-526.
[6] E Dubarić, D Giannoccaro, R Bengtsson. Patent data as indicators of wind power technology development. World Patent Information, 2011, 33(2):144-149.
[7] Z Tekic, M Drazic, D Kukolj. From patent data to business intelligence-PSALM case studies. Procedia Engineering, 2014, 69:296-303.
[8] E Piacentini, E Drioli, L Giorno. Membrane emulsification technology:Twenty-five years of inventions and research throughpatent survey. Journal of Membrane Science, 2014, 468:410-422.
[9] B Wang, C H Hsieh. Measuring the value of patents with fuzzy multiple criteria decision making:insight into the practices of the Industrial Technology Research Institute. Technological Forecasting & Social Change, 2015, 92:263-275.
[10] J E Altwies, G F Nemet. Innovation in the US building sector:An assessment of patent citations in building energy control technology. Energy Policy, 2013, 52:519-831.
[11] S Oh, Z Lei, W C Lee, et al. Patent evaluation based on technological trajectory revealed in relevant prior patents. Lecture Notes in Computer Science, 2014, 8443:545-556.
[12] T Miyazawa, H Osada. Evaluation method for nature of basic invention by patent analysis. Portland International Center for Management of Engineering and Technology, 2014:1:1346-1353.
[13] L Leydesdorff, D Kushnir, I Rafols. Interactive overlay maps for US patent (USPTO) data based on International Patent Classification (IPC). Scientometrics, 2014, 98(3):1583-1599.
[14] Y L Hsu, P E Hsu, Y C Hung, et al. Development and application of a patent-based design around process. Proceedings of the ASME Design Engineering Technical Conference, 2010, 1:91-100.
[15] C Q Gao, L M Guo, F L Gao, et al. Innovation design of medical equipment based on TRIZ. Technology and Health Care, 2015, 23(2):S269-S276.
[16] H Park, J Ree, K Kim. Identification of promising patents for technology transfers using TRIZ evolution trends. Expert Systems with Applications, 2012, 40(2):736-743.
[17] J L Luo, S Y Cheng, X R Yang, et al. The functional analysis and patent circumvention based on Pro/Innovator. Modern Manufacturing Engineering, 2016, 2:22-28. (in Chinese)
[18] G Kim, J Lee, D Jang, et al. Technology clusters exploration for patent portfolio through patent abstract analysis. Sustainability, 2016, 8(12):1252.
[19] T Schubert. Assessing the value of patent portfolios:an international country comparison. Scientometrics, 2011, 88(3):787-804.
[20] H Li. Patent design around research based on mechanical patent's technology constraints and system constraints. Hebei University of Technology, 2016. (in Chinese)
[21] H Li, J T Huo, B Xu, et al. Research on patent portfolio design by using of TRIZ method. Science Technology and Engineering, 2014, 14(36):197-203. (in Chinese)
[22] H Li, R H Tan, B Xu, et al. Patent design around method based on AFD for umbrella-type patent strategy. Journal of Mechanical Engineering, 2016, 52(5) 1-11. (in Chinese)
[23] G S Altshuller. The innovation algorithm. Worcester, MA:Technical Innovation Center, 2000.
[24] R Duran-Novoa, N Leon-Rovira, H Aguayo-Tellez. Inventive problem solving based on dialectical negation, using evolutionary algorithms and TRIZ heuristics. Computers in Industry, 2011, 62(4):437-445.
[25] L Fiorineschi, F S Frillici, F Rotini. Enhancing functional decomposition and morphology with TRIZ:Literature review. Computers in Industry, 2018, 94:1-15.
[26] T H J Vaneker, R G J Damgrave, J G Kuster. TRIZ as an enabler for intellectual property protection during product development. Procedia Engineering, 2015, 131:731-736.
[27] Z Van, F J Julian, W Veldhuijzen, et al. Patent circumvention strategy using TRIZ-based design-around approaches. Procedia Engineering, 2015, 131:798-806.
[28] J Yoon, W Seo, B Y Coh, et al. Identifying product opportunities using collaborative filtering-based patent analysis. Computers & Industrial Engineering, 2016, 107:376-387.
[29] M Li, X Ming, M Zheng, et al. A framework of product innovative design process based on TRIZ and Patent Circumvention. Journal of Engineering Design, 2013, 24(12):830-848.
[30] M Li, X Ming, L He, et al. A TRIZ-based trimming method for Patent design around. Computer-Aided Design, 2015, 62:20-30.
[31] T R Chang, C S Wang. Innovative theory and patent-design-around in wheelchair conceptual design. Journal of Gerontechnology and Service Management, 2012, 1(1):49-62. (in Chinese)
[32] H T Chang, C Y Chang, W K Wu. Computerized innovation inspired by existing patents. Applied System Innovation for Modern Technology, 2017, ICASI:1134-1137.
[33] H T Chang, Y C Hsieh, Y P Yang. Approaches to infringement risk evaluation of patent products for design-around. Design Engineering in the Context of Asia, Hong Kong, China, October 29-30, 2015:110-114.
[34] Y C Hung, Y L Hus. An integrated process for designing around existing patents through TRIZ. Proceedings of the I MECH E Part B Journal of Engineering Manufacture, 2007, 221(1):109-122.
[35] M Grimaldi, L Cricelli, M D Giovanni. The patent portfolio value analysis:A new framework to leverage patent information for strategic technology planning. Technological Forecasting & Social Change, 2015, 94(1):286-302.
[36] P Jiang, C Wang, J G Sun, et al. Method and application of patented design around by combination of IPC cluster analysis and TRIZ. Journal of Mechanical Engineering, 2017, 51(7):144-154. (in Chinese)
[37] X X Xu. Research on patent infringement judgment. China University of Political Science and Law, 2011. (in Chinese)
[38] R H Tan. TRIZ and applications, the process and methods of technological innovation. Beijing:Higher Education Press, 2010. (in Chinese)
[39] H Li, R H Tan, J T Huo, et al. Patent design around based on mechanical patent's technology constraints and system constraints. Computer Integrated Manufacturing System, 2015, 21(11):2849-2860. (in Chinese)
[40] R H Tan, Q H Zhang. The law and routes of system evolution in TRIZ and the application. Industrial Engineering and Management, 2003, 8(1):34-36. (in Chinese)
[41] D Cavallucci, C Lerch, E Schenk. Product lines innovation:On the use of technical laws of evolution. In:B H Thierry. The economics of creativity:Ideas, Firms and Markets, London:Routeledge, 2013:41-57.
[42] H Li, R H Tan. Method of patent design around. Beijing:Higher Education Press, 2018. (in Chinese)
[43] D D Sheu, C T Hou. TRIZ-based trimming for process-machine improvements:Slit-valve innovative redesign. Computers & Industrial Engineering, 2013, 66(3):555-566.
[44] D Russo, C Rizzi, G Montelisciani. Inventive guidelines for a TRIZ-based eco-design matrix. Journal of Cleaner Production, 2014, 76:95-105.
[45] J R Chou. An ideation method for generating new product ideas using TRIZ, concept mapping, and fuzzy linguistic evaluation techniques. Advanced Engineering Informatics, 2014, 28(4):441-454.
[46] Z Pei, E Amira, Z M Cecilia, et al. Experience capitalization to support decision making in inventive problem solving. Computers in Industry, 2018, 101:25-40.
[47] G S Altshuller. Creativity as an exact science:The theory of the solution of inventive problems. New York:Gordon and Breach, 1984.
[48] H Li, J H Zhang. A glass cleaning robot:CHINA, 205018965U.2015-09-23. http://www.soopat.com/Patent/201520752490.