How to check the manufacturer by the patent number of the product?

1. Log in to China National Intellectual Property Administration and click "Patent Examination Information Inquiry" on the column page.

2. After clicking enter, it will automatically jump to the page, and click the link to enter the patent inquiry.

3. Click on the public query on the right.

4. You will jump to an agreement, click "Agree" and then click "Continue".

5. Enter the patent number when applying for the patent number, and the query content will appear. You can pay attention to some precautions above.

6. There will be phase information. Click Enter to view it.