Phoi Heng Lew has been granted 14 US patents while listed as an inventor at Microsoft. The first was granted in 2009 and the most recent in February 2020. Phoi Heng Lew ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Phoi Heng Lew in Mill Creek, WA, US.