Skip to content

Patents Database

Including Chinese patents and Overseas patents. Chinese patents collect more than 57million invention patents, design patents and utility model patents applied in Chinese mainland since 1985, with an annual increase of about 2.5 million patents. Overseas patents include the patents of ten countries, two organizations and two regions which are the United States, Japan, Britain, Germany, France, Switzerland, the world intellectual property organization, the European Patent Office, Russia, South Korea, Canada, Australia, Hong Kong and Taiwan in China and other countries, with a total of more than 130million patents since 1970 and an annual increase of about 2million patents.

CNKI

Copyright 1998-2025, China Academic Journals (CD Edition) Electronic Publishing House Co., Ltd

可信网站

京 ICP 证 040431 号网络出版服务许可证网出证(京)字第416号出版物经营许可证京公网安备 11010802020460 号《中国学术期刊(光盘版)》电子杂志社有限公司KDN 平台基础技术由 KBASE 11.0 提供.
Search Range(Set cross-database search scope and resource display order)
  • Academic Journals
  • Theses & Dissertations
  • Conferences
  • Newspapers
  • Yearbooks
  • Books
  • Standards
  • Achievements
  • Monographic Serials
  • Magazines
+
Search Results
Sort Order:
GroupMaxNum:
Search Area Auto Fold:
Save Settings Restore Settings
在线客服