(1) He can apply for a patent from the State Intellectual Property Office and use the patent system to protect his invention. In the patent system, inventors disclose the contents of their inventions in exchange for strong legal protection from the state within a limited time; others are not allowed to implement the invention even if they independently make the same invention. (2) He can also choose to protect his invention as a trade secret. As long as the invention is properly kept secret, it can always be protected. However, once others independently make the same invention or obtain the technical information in a legitimate manner, they can implement the invention without infringement. I also looked up the courseware information in the 101 Education PPT and found the PPT background image to be good.