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Patent Information Analysis of Powder Metallurgy Technoloy

YANG Gong-na   

  1. Department of Student Affairs,Kunming Metallurge College,Kunming 650033,China
  • Received:2015-05-21 Online:2015-07-01 Published:2015-07-01

Abstract:

Taking powder metallurgy as the keywords,powder metallurgy technology patents of china were obtained from 1985 to 2013.This search was based on the patent database of state intellectual property office patent search and service systems.With the method of the patent intelligence analysis,the overall situation from the patent,the patent research institutions,focusing on technical areas,etc.The current and development trends of powder metallurgy technology in China were obtained.It can provide areliable reference for grasping the trends of powder metallurgy technology innovation and management innovation.

Key words: patent, powder metallurgy, IPC classificatio

CLC Number: