Tool/material computer
0 1 First, open Sogou browser, enter China Patent Announcement, and click Search.
Then we can see its search box in the new page. If we find its patent name, we just need to enter the name search.
If you don't know the name, real name and school name, then click Advanced Query.
Then enter the relevant school name in the red box to search. Take Tsinghua University as an example.
05, and then click Search.
That's why there is a patent for it.