Chan Chee Oei has been granted 3 US patents while listed as an inventor at Tritech Microelectronics. The first was granted in 2000 and the most recent in September 2003. Chan Chee Oei ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Chan Chee Oei in Singapore, SG.