William Shyh-Chen Hsu has been granted 24 US patents while listed as an inventor at Simplehuman. The first was granted in 2007 and the most recent in September 2010. William Shyh-Chen Hsu ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list William Shyh-Chen Hsu in Diamond Bar, CA, US.