Assignee
WOOSIM SYSTEM INC
KR6 patents
Top patents by PatentIndex Score
US9977923B2May 22, 2018
Pin-pad and security method thereof
WOOSIM SYSTEM INC2 citations68
US9802414B2Oct 31, 2017
Array-type ink cartridge
WOOSIM SYSTEM INC4 citations68
US10157382B2Dec 18, 2018
Secure payment device
WOOSIM SYSTEM INC0 citations48
US9694589B1Jul 4, 2017
Ink cartridge
WOOSIM SYSTEM INC1 citations48
US10850503B2Dec 1, 2020
Print head driving apparatus and printing apparatus having the same
WOOSIM SYSTEM INC0 citations43
US9694586B1Jul 4, 2017
Ink cartridge, for inkjet printer, enabling refilling of ink by user
WOOSIM SYSTEM INC0 citations37