To whom did Wang Houde give his patent for free?

Wang Houde gave his patent to Li Shengxue for free. According to relevant information and public information, Wang Houde Chinese Academy of Sciences and Li Shengxue have a teacher-student relationship. Wang Houde, Chinese Academy of Sciences, gave Li Shengxue the research results of his life for free, and personally taught the technology, which belongs to the relationship between teachers and students.