Inventor
KAO HSI-FENG
TW4 patents
Patents
4 patentsUSD640367SJun 21, 2011
Ring type halitosis detector
IND TECH RES INST56 citations93
US7540647B2Jun 2, 2009
Medical inspection devices
IND TECH RES INST4 citations60
US7460754B2Dec 2, 2008
Medical inspection device
IND TECH RES INST3 citations60
USD634839SMar 22, 2011
Sling type halitosis detector
IND TECH RES INST0 citations50