Dongsoo Daniel Koh has been granted 10 US patents while listed as an inventor at Broadcom. The first was granted in 2005 and the most recent in October 2016. Dongsoo Daniel Koh ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Dongsoo Daniel Koh in Irvine, CA, US.