YC

YUN-SHAN CHANG

UN Unknown: 4 patents #27 of 3,359Top 1%
Overall (2017): #34,267 of 506,227Top 7%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9803886 Instantaneous water-heating dispensing device and heating module thereof 2017-10-31
9804000 Optical sensor array apparatus 2017-10-31
9804688 Light tracing method and apparatus thereof 2017-10-31
9804695 Cursor control apparatus and method for the same 2017-10-31