Kuo-Kai Hung has been granted 6 US patents while listed as an inventor at Noporvis Co.. The first was granted in 2017 and the most recent in August 2019. Kuo-Kai Hung ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Kuo-Kai Hung in Tainan, TW.