日本碍子株式会社(NGK)全球专利态势分析

Analysis of Current Status and Trends of Global Patents of NGK

日本碍子株式会社(NGK)是全球领先的陶瓷企业之一。以WPI(德温特世界专利索引)和CPRS(中国专利检索系统)数据库收录的该企业专利文献为研究对象,对NGK的全球专利信息进行了梳理和分析,主要从专利申请的年度分布、区域分布、技术构成、主要竞争者、重点专利申请等方面,探讨了NGK的全球专利发展态势,及其值得为国内申请人在专利保护中借鉴之处,以期为我国陶瓷行业的发展提供参考。

NGK is one of the world's leading ceramic enterprises. Based on global patent data collected by WPI (Derwent World Patent Index) and CPRS (China Patent Research System) databases, the annual changes, area distribution, technical field, main competitors and key patents were analyzed. Therefore, the global development status and trends of patents of NGK were figured out. Moreover, the most quotable point for domestic ceramic enterprises in patent protection was given. The results will provide reference for domestic ceramic industry.