Hu Guohua
On April 1, 1984, Hu Guohua was the first to submit a patent application. In December 1985, Hu Guohua successfully obtained the patent number "85100001.0" certificate issued by the State Patent Office and became the inventor of the "No. 1 patent" in New China. The patent he applied for is called "Variable optical filter real-time false color display method and device". Simply put, it turns a black-and-white picture of the earth taken from a satellite into a color image based on certain characteristics, so as to see More information.
Extension: After the implementation of the "Patent Law" in various countries around the world, the inventions that applied for the No. 1 patent all have distinctive characteristics of the times. During World War I, the first invention patent applied for in the United States was a shotgun. After Japan implemented the Patent Law after World War II, the first patent application was for an exquisite urn.