Kun-Chi Hsu has been granted 4 US patents while listed as an inventor at Powertech Technology. The first was granted in 2019 and the most recent in May 2023. Kun-Chi Hsu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Kun-Chi Hsu in Hengshan, TW.