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Patent activity on water pollution and treatment in China—a scientometric perspective

Author

Listed:
  • Jun Peng Yuan

    (Institute of Scientific and Technical of Information of China)

  • Wei Ping Yue

    (Thomson Reuters)

  • Cheng Su

    (Institute of Scientific and Technical of Information of China)

  • Zheng Wu

    (Thomson Reuters)

  • Zheng Ma

    (Institute of Scientific and Technical of Information of China)

  • Yun Tao Pan

    (Institute of Scientific and Technical of Information of China)

  • Nan Ma

    (Thomson Reuters)

  • Zhi Yu Hu

    (Institute of Scientific and Technical of Information of China)

  • Fei Shi

    (Thomson Reuters)

  • Zheng Lu Yu

    (Institute of Scientific and Technical of Information of China)

  • Yi Shan Wu

    (Institute of Scientific and Technical of Information of China)

Abstract

This research intends to investigate the patent activity on water pollution and treatment in China (1985–2007), and then compares the results with patents data about Triadic patents, South Korea, Brazil and India over the same periods, patents data were collected from Derwent World Patents Index between 1985 and May 2008. For this study, 169,312 patents were chosen and examined. Total volume of patents, technology focus, assignee sector, priority date and the comparison with other countries are analyzed. It is found that patents on water pollution and treatment filed at China have experienced a remarkable increase and the increase rate of patents filed at China change simultaneous with the percentage of domestic applications. However, the number of high quality Triadic patents with priority country as China remains small. Furthermore, in addition to individual patent assignees, both Chinese universities and enterprises also play important roles in patent activity of water pollution and treatment. In addition, the pattern of South Korea’s development can provide short-term implications for China and the regularity in Triadic patents’ development can provide some guidance to China’s long-term development. In contrast, the development pattern of Brazil and India is less influential to China’s development. Furthermore, China’s technology focuses on water pollution and treatment seem to parallel global and triadic patent trends. This research provides a comprehensive picture of China’s innovation capability in the area of water pollution and treatment. It will help China’s local governments to improve their regional S&T capability and will provide support the National Water Pollution Control and Treatment Project in China.

Suggested Citation

  • Jun Peng Yuan & Wei Ping Yue & Cheng Su & Zheng Wu & Zheng Ma & Yun Tao Pan & Nan Ma & Zhi Yu Hu & Fei Shi & Zheng Lu Yu & Yi Shan Wu, 2010. "Patent activity on water pollution and treatment in China—a scientometric perspective," Scientometrics, Springer;Akadémiai Kiadó, vol. 83(3), pages 639-651, June.
    • Handle: RePEc:spr:scient:v:83:y:2010:i:3:d:10.1007_s11192-009-0126-7
    DOI: 10.1007/s11192-009-0126-7
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    References listed on IDEAS

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    1. Juan Sepúlveda & Adriana Paternina & Andrés Suarez, 2014. "Patent applications as source for measuring technological performance," Scientometrics, Springer;Akadémiai Kiadó, vol. 98(2), pages 1385-1395, February.
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    3. Ming-Chao Huang & Shih-Chieh Fang & Shao-Chi Chang, 2011. "Tracking R&D behavior: bibliometric analysis of drug patents in the Orange Book," Scientometrics, Springer;Akadémiai Kiadó, vol. 88(3), pages 805-818, September.
    4. Guifeng Liu, 2013. "Visualization of patents and papers in terahertz technology: a comparative study," Scientometrics, Springer;Akadémiai Kiadó, vol. 94(3), pages 1037-1056, March.
    5. Hui-Zhen Fu & Xiao Long & Yuh-Shan Ho, 2014. "China’s research in chemical engineering journals in Science Citation Index Expanded: a bibliometric analysis," Scientometrics, Springer;Akadémiai Kiadó, vol. 98(1), pages 119-136, January.

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