What is the invention patent in the high-level talent visa?

Unprecedented patented technology. According to public information, this invention is an unprecedented patented technology. It is a technical scheme to solve various problems in production, scientific research and experiment by using natural laws, and generally consists of several technical features. According to the provisions of China's patent law, there are three kinds of inventions that can be protected by patents: inventions, utility models and designs, of which invention patents are the most important.