The landscape of Chinese invention patents: Quantity, density, and intensity
Yingcheng Li, Nicholas A Phelps, Zhicheng Liu, Haitao Ma
ENVIRONMENT AND PLANNING A-ECONOMY AND SPACE | SAGE PUBLICATIONS INC | Published : 2019
Awarded by National Natural Science Foundation of China
The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by the National Natural Science Foundation of China (grant nos. 41571151, 41590842, 71433008).