Abstract:

Based on Patentics, this article conducts patent analysis from patent applications, technical field distribution, the main research institutions, the main inventor, hot fields of the technological development situations of coal in China to reveal the development trend, technical hotspots, leading enterprises, technology leader of domestic coal technology, also makes a comparative research and development institutions and R&D strength in the field of coal technology innovation, maps current coal technology patents, and access to essential strategic information and innovation. The results put forward suggestions on development and utilization of coal technology in China.

Key words: patentometrics, coal, Patentics