Ling-Hsi Chao has been granted 30 US patents while listed as an inventor at Darfon Electronics. The first was granted in 2006 and the most recent in September 2025. Ling-Hsi Chao ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Ling-Hsi Chao in Taoyuan, TW.