KL

King Hei Liu

Overall (All Time): #1,157,014 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11044544 Headphones with interactive display Ronald Pong, Wing Pun Leung 2021-06-22
10433044 Headphones with interactive display Ronald Pong, Wing Pun Leung 2019-10-01
9756414 Headphones with interactive display Ronald Pong 2017-09-05
9445172 Headphones with interactive display Ronald Pong 2016-09-13