John H. S. Wang has been granted 31 US patents while listed as an inventor at Vasca. The first was granted in 1986 and the most recent in May 2011. John H. S. Wang ranks #115,823 of 4,157,543 US inventors in our database (top 2.8%). Patent records list John H. S. Wang in Rancho Palos Verdes, CA, US.