google patents專利檢索
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- 1Search for patents - USPTO
The Patent Public Search tool is a new web-based patent search application that will replace inte...
- 2Patent Search - Intellectual Property India
Select Search Field. Application Date (National) ... Please Enter Patent Number ... Please Enter ...
- 3Search for a patent - GOV.UK
Read the guide to patenting your invention if you have not applied before. Search UK patents. Sea...
- 4WIPO - Search International and National Patent Collections
This patent search tool allows you not only to search the PCT database of about 2 million Interna...
- 5Patent Search - A High-Quality Patent Database With AI ...
Make your patent work in litigation, transaction, analysis, and management easier with this full-...