Is there a dedicated teacher or department responsible for patent application in the school?

Some universities have it. You can ask the corresponding tutor or some classmates or teachers in scientific research laboratories.

Some do not. In this case, teachers or students who are engaged in scientific research need to find an agency to represent them when they need to apply for a patent, or apply by themselves (if you apply by yourself, you must understand the relevant laws, regulations and patent application documents. writing and production).