Then use the table search.
Enter each item in the retrieval form:
Date of application: 20 12
Date of application: Harbin Institute of Technology
Then search
The search result is: 150 1 match.
Then click "Search Results Analysis" on the left side of the page to learn more.
In the new page, select? By counting the classification number by department, we can get the number of patents in this department.
If you need to subdivide, you can also make specific statistics according to categories and subcategories.
There is a line chart or histogram at the top of the related page.