Yi-Ju Chao has been granted 42 US patents while listed as an inventor at Interdigital Technology. The first was granted in 2003 and the most recent in April 2020. Yi-Ju Chao ranks #72,062 of 4,157,543 US inventors in our database (top 1.7%). Patent records list Yi-Ju Chao in Minnetonka, MN, US.