According to Hu Wenhui, spokesperson of the State Intellectual Property Office, in 2017, the number of invention patent applications in my country was 1.382 million, a year-on-year increase of 14.2%. A total of 420,000 invention patents were authorized, including 327,000 domestic invention patents, a year-on-year increase of 8.2%. Hu Wenhui also pointed out that as of the end of 2017, the number of patents in China reached 1.35 million, nearly 1 patent per 1,000 people. China has a number of domestically developed core technologies in the fields of telecommunications, aviation, aerospace, high-speed railways, nuclear energy, etc. In recent years, , the quality of patents in these fields has been significantly improved.