共 2 条
[1]
International nanotechnology development in 2003: Country, institution, and technology field analysis based on USPTO patent database[J] . Zan Huang,Hsinchun Chen,Zhi-kai Chen,Mihail C. Roco.Journal of Nanoparticle Research . 2004 (4)
[2]
Longitudinal Patent Analysis for Nanoscale Science and Engineering: Country, Institution and Technology Field[J] . Zan Huang,Hsinchun Chen,Alan Yip,Gavin Ng,Fei Guo,Zhi-Kai Chen,Mihail C. Roco.Journal of Nanoparticle Research . 2003 (3)