Nanopatenting patterns in relation to product life cycle

被引:63
作者
Alencar, M. S. M. [1 ]
Porter, A. L. [2 ,3 ]
Antunes, A. M. S. [1 ]
机构
[1] Univ Fed Rio de Janeiro, BR-21949900 Rio De Janeiro, Brazil
[2] R&D Search Technol Inc, Atlanta, GA USA
[3] Georgia Tech, Technol Policy & Assessment Ctr, Atlanta, GA USA
关键词
nanotechnology; foresight; patent analysis; value chain; innovation management; text mining; technical intelligence; future-oriented technology analyses;
D O I
10.1016/j.techfore.2007.04.002
中图分类号
F [经济];
学科分类号
02 ;
摘要
This paper compares the positions of national nanotechnology development efforts based on analyses of patenting from 1994 to 2005. Searching Derwent world patent index files, 19,351 unique patents are collected based on a composite search algorithm. These abstract records are categorized multiple ways - by top patent assignees, by International Patent Classifications, and through content analyses of the "Use" subfield. We classify the R&D activities by using a 3-stage, life cycle, value chain of nano-raw materials, nanointermediates, and nano-products. Profiles of Japanese, American (US), and European (German) emphases show notable differences in concentration and value chain niche. Such characterizations offer significant research management and policy implications. (c) 2007 Published by Elsevier Inc.
引用
收藏
页码:1661 / 1680
页数:20
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