Chee-Wui Chu has been granted 2 US patents while listed as an inventor at Visiongate. All of these patents were granted in 2003. Chee-Wui Chu ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Chee-Wui Chu in West Richland, WA, US.