HS

Ho-Ching Sun

UN Unknown: 1 patents #373 of 3,359Top 15%
Overall (2017): #398,473 of 506,227Top 80%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9578405 Electronic speech aid device Wen-Tsung Sun, HO-I SUN 2017-02-21