Yao-Ren Chang has been granted 5 US patents while listed as an inventor at Elite Semiconductor Microelectronics Technology. The first was granted in 2020 and the most recent in June 2024. Yao-Ren Chang ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Yao-Ren Chang in Zhunan Town, TW.