Nano Mapper: An Internet knowledge mapping system for nanotechnology development

Xin Li, Daning Hu, Yan Dang, Hsinchun Chen, Mihail C. Roco, Catherine A. Larson, Joyce Chan

Research output: Contribution to journalReview articlepeer-review

21 Scopus citations


Nanotechnology research has experienced rapid growth in recent years. Advances in information technology enable efficient investigation of publications, their contents, and relationships for large sets of nanotechnology-related documents in order to assess the status of the field. This paper presents the development of a new knowledge mapping system, called Nano Mapper ( ), which integrates the analysis of nanotechnology patents and research grants into a Web-based platform. The Nano Mapper system currently contains nanotechnology-related patents for 1976-2006 from the United States Patent and Trademark Office (USPTO), European Patent Office (EPO), and Japan Patent Office (JPO), as well as grant documents from the U.S. National Science Foundation (NSF) for the same time period. The system provides complex search functionalities, and makes available a set of analysis and visualization tools (statistics, trend graphs, citation networks, and content maps) that can be applied to different levels of analytical units (countries, institutions, technical fields) and for different time intervals. The paper shows important nanotechnology patenting activities at USPTO for 2005-2006 identified through the Nano Mapper system.

Original languageEnglish (US)
Pages (from-to)529-552
Number of pages24
JournalJournal of Nanoparticle Research
Issue number3
StatePublished - Apr 2009


  • Bibliographic analysis
  • Citation network
  • Data analysis tool
  • Grant analysis
  • Information visualization
  • Nanotechnology
  • Patent analysis
  • Research and development (R&D)
  • Self-organizing maps

ASJC Scopus subject areas

  • Bioengineering
  • General Chemistry
  • Atomic and Molecular Physics, and Optics
  • Modeling and Simulation
  • General Materials Science
  • Condensed Matter Physics


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