U.S.A.
US 10,335,699 B2, US 10,603,598 B2, US 10,709,994 B2
EU
3130381, 3488908, 3566758, 3566846
Japan
6313863, 6535069, 6650497, 6764461
Australia
2018205081, 2018205163, 2018202026
China
ZL 2015 8 0002995.8, ZL 2018 1 0425902.8, ZL 2018 1 0425901.3
HongKong
HK1223880, HK40010309, HK40010662
Macau
J/003654, J/005121, J/005286