Patents/Inventors

Do Hyun Youn

Seongnam-siKR4 patents

4 Patents

US125378222026
Server for Managing Friend List of Protected Account and Operation Method of the Server
KAKAO Corp.
0 cites
US123464842025
User Terminal Displaying Interface for Providing Instant Messaging Service and Operation Method of the User Terminal
KAKAO Corp.
0 cites
US122990572025
Method and Apparatus for Managing User Profile
KAKAO Corp.
0 cites
US118161732023
Method and Apparatus for Managing User Profile
KAKAO Corp.
0 cites