Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《China Invention & Patent》 2018-09
Add to Favorite Get Latest Update

Brief Analysis of Patent Application in the Field of Vehicle Occupant Restraint System and Its Retrieval Characteristics

WANG Fuchen;CAO Jianfei;Machine Invention Examination Department,CNIPA;  
This article makes primary searches in the Chinese and foreign databases of the patent applications of vehicle occupant restraint system, and through further analysis on the number of applications, national distribution, applicants status and the kind of this field in China and in the world, obtains the characteristics of patent applications in this flied; and combines with the search practice on this basis, summarizes the difficulties and emphases of search of the patent applications, provides reference for the search in this field.
【CateGory Index】: U463.8-18;G306
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved