Jianfeng Hou has been granted 5 US patents while listed as an inventor at Kingfa Sci. & Tech. Co.. The first was granted in 2011 and the most recent in June 2024. Jianfeng Hou ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Jianfeng Hou in Shanghai, CN.