KM

Ka Chun Mak

📍 Sha Tin, CN: #748 of 2,424 inventorsTop 35%
Overall (All Time): #1,927,199 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10180579 Virtual reality device and mode of operation — 2019-01-15
9103491 Electronic product carrier adapted to be hung on a neck — 2015-08-11