Patents/Inventors

Han Wool Cha

Seongnam-siKR6 patents

7 Patents

US124388332025
Method and Apparatus for Messaging Service
KAKAO Corp.
0 cites
US123484702025
Instant Messaging Server Providing Multiple Types of Chat Rooms
KAKAO Corp.
0 cites
US123233742025
Method and Apparatus for Messaging Service
KAKAO Corp.
0 cites
US122990592025
Method and Apparatus for Messaging Service
DK TECHIN Corp.
0 cites
US121265792024
Method and Apparatus for Messaging Service
KAKAO Corp.
0 cites
US120957142024
Method and Apparatus for Messaging Service
KAKAO Corp.
0 cites
US118248232023
Instant Messaging Server Providing Multiple Types of Chat Rooms
KAKAO Corp.
0 cites