Chi-Cheng Cheng has been granted 6 US patents while listed as an inventor at Lextar Electronics. The first was granted in 1999 and the most recent in October 2022. Chi-Cheng Cheng ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Chi-Cheng Cheng in Hsinchu, TW.