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Data Analysis and Knowledge Discovery  2019, Vol. 3 Issue (8): 21-29    DOI: 10.11925/infotech.2096-3467.2018.0904
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Measuring Tech-Entropy of System Evolution: An Empirical Study of Patents
Jianhua Hou1,3(),Pan Liu2,3
1School of Information Management, Sun Yat-Sen University, Guangzhou 510006, China
2School of Economics and Management, Dalian University, Dalian 116622, China
3Key Laboratory of Cross Border Electricity and Data Science in Liaoning Province, Dalian 116622, China
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Abstract  

[Objective] This paper measures the developments and the life cycles of the technology system with an improved technology entropy method, aiming to provide theoretical foundation for predicting technology development and decision-making of the governments. [Methods] We constructed a model measuring technological entropy based on information entropy and multiple indicators for the patented technology system. Then, we conducted an empirical analysis with the new model for carbon capture technology in China. [Results] We found that the target technology concluded the stages of sprouting, and slow growth. It is currently in the stage of rapid growth. [Limitations] The quality of the sample data needs to be improved. [Conclusions] The proposed method is an effective way to analyze the evolution trends of patent technology system, which provides a better solution for identifying the life cycle of technologies.

Key wordsTechnological Entropy      Technology Life Cycle      Evolution of Patented Technology      Technology Systems     
Received: 25 August 2018      Published: 29 September 2019
ZTFLH:  TP393 G35  
Corresponding Authors: Jianhua Hou     E-mail: houjh5@mail.sysu.edu.cn

Cite this article:

Jianhua Hou,Pan Liu. Measuring Tech-Entropy of System Evolution: An Empirical Study of Patents. Data Analysis and Knowledge Discovery, 2019, 3(8): 21-29.

URL:

http://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/10.11925/infotech.2096-3467.2018.0904     OR     http://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/Y2019/V3/I8/21

类别 数量
专利总量 6 710
发明申请 3 877
发明授权 1 545
实用新型 1 280
外观设计 8
转化量(转让和许可) 523
时间 每年专利
总量N
同族专利数量Np 专利授权
Ap
专利转化量Tp p1j p2j p3j Ht(X) Ht(Y) Ht(Z) L
1985 0 0 0 0
1986 8 3 0 0 0.3750 0.0000 0.0000 0.5306 0.5306
1987 15 2 3 0 0.1333 0.2000 0.0000 0.3876 0.4644 0.8520
1988 10 4 6 0 0.4000 0.6000 0.0000 0.5288 0.4422 0.9710
1989 13 7 6 0 0.5385 0.4615 0.0000 0.4808 0.5149 0.9957
1990 11 7 7 0 0.6364 0.6364 0.0000 0.4149 0.4149 0.8298
1991 11 5 5 0 0.4545 0.4545 0.0000 0.5171 0.5171 1.0342
1992 15 4 9 0 0.2667 0.6000 0.0000 0.5085 0.4422 0.9506
1993 10 2 3 0 0.2000 0.3000 0.0000 0.4644 0.5211 0.9855
1994 14 2 8 0 0.1429 0.5714 0.0000 0.4010 0.4614 0.8624
1995 15 3 6 0 0.2000 0.4000 0.0000 0.4644 0.5288 0.9932
1996 24 13 8 0 0.5417 0.3333 0.0000 0.4791 0.5284 1.0074
1997 19 9 4 1 0.4737 0.2105 0.0526 0.5106 0.4733 0.2236 1.2075
1998 21 6 4 0 0.2857 0.1905 0.0000 0.4963 0.4423 0.9385
1999 34 17 10 0 0.5000 0.2941 0.0000 0.5000 0.5193 1.0193
2000 47 24 13 9 0.5106 0.2766 0.1915 0.4952 0.5128 0.4566 1.4646
2001 33 13 16 2 0.3939 0.4848 0.0606 0.5295 0.5064 0.2451 1.2811
2002 62 24 24 2 0.3871 0.3871 0.0323 0.5300 0.5300 0.1598 1.2198
2003 71 26 34 5 0.3662 0.4789 0.0704 0.5307 0.5087 0.2696 1.3090
2004 85 21 41 12 0.2471 0.4824 0.1412 0.4983 0.5073 0.3987 1.4043
2005 119 42 57 14 0.3529 0.4790 0.1176 0.5304 0.5086 0.3633 1.4023
2006 121 40 50 21 0.3306 0.4132 0.1736 0.5279 0.5269 0.4384 1.4932
2007 122 29 45 15 0.2377 0.3689 0.1230 0.4927 0.5307 0.3717 1.3951
2008 207 44 76 29 0.2126 0.3671 0.1401 0.4748 0.5308 0.3972 1.4029
2009 254 63 89 18 0.2480 0.3504 0.0709 0.4989 0.5301 0.2706 1.2996
2010 323 51 115 33 0.1579 0.3560 0.1022 0.4197 0.5289 0.3358 1.2844
2011 408 82 157 35 0.2010 0.3848 0.0858 0.4652 0.5302 0.3039 1.2993
2012 575 140 222 58 0.2435 0.3861 0.1009 0.4951 0.5282 0.3333 1.3566
2013 599 109 280 62 0.1820 0.4674 0.1035 0.4468 0.5118 0.3384 1.2970
2014 725 141 311 51 0.1945 0.4290 0.0703 0.4594 0.5237 0.2694 1.2526
2015 830 124 385 74 0.1494 0.4639 0.0892 0.4098 0.5140 0.3109 1.2346
2016 888 139 431 43 0.1565 0.4854 0.0484 0.4188 0.5061 0.2116 1.1365
2017 1 021 90 408 24 0.0881 0.3996 0.0235 0.3089 0.5288 0.1272 0.9650
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