Hung-Chun Tseng has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 2015 and the most recent in March 2018. Hung-Chun Tseng ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Hung-Chun Tseng in Yuanchang, TW.