HC

Han Wool Cha

KA Kakao: 3 patents #2 of 140Top 2%
Overall (2025): #61,366 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Patent #TitleCo-InventorsDate
12348470 Instant messaging server providing multiple types of chat rooms Eun Hye Kim 2025-07-01
12323374 Method and apparatus for messaging service Eun Hye Kim, Seok-Gyu Lee, Sul Gi Kim, In Hae Choi, Tae Jun Choi +1 more 2025-06-03
12299059 Method and apparatus for messaging service Eun Hye Kim, Seok-Gyu Lee, Sul Gi Kim, In Hae Choi, Chang Hyuk One 2025-05-13