To whom did Wang Houde give his patent for free?

Wang Houde gave his patent to Li Shengxue for free. Wang Houde and Li Shengxue of Chinese Academy of Sciences are teachers and students. Wang Houde of Chinese Academy of Sciences gave Li Shengxue the research results of his life for free, and personally taught the technology. Li Shengxue also took the day when scientist Wang Houde gave him a patent as the company anniversary. So Wang Houde gave his patent to Li Shengxue for free.