Yin CEN has been granted 5 US patents while listed as an inventor at Kingfa Sci. & Tech. Co.. The first was granted in 2020 and the most recent in July 2025. Yin CEN ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Yin CEN in Longbeilingcun, CN.