Inventor
JOH HOSUNG
KR2 patents
Patents
2 patentsUS9843556B2Dec 12, 2017
Address book information service system, and method and device for address book information service therein
SK PLANET CO LTD5 citations68
US10397181B2Aug 27, 2019
Address book information service system, and method and device for address book information service therein
SK PLANET CO LTD0 citations47