Growing community of inventors

Seongnam-si, South Korea

Han Wool Cha

Average Co-Inventor Count = 3.67

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 0

Han Wool ChaEun Hye Kim (5 patents)Han Wool ChaIn Hae Choi (3 patents)Han Wool ChaSeok Gyu Lee (3 patents)Han Wool ChaSul Gi Kim (3 patents)Han Wool ChaNa Young Kim (2 patents)Han Wool ChaDong Hee Hong (2 patents)Han Wool ChaDong Hyun Ban (2 patents)Han Wool ChaHui Su Kim (2 patents)Han Wool ChaTae Jun Choi (1 patent)Han Wool ChaDae Nyeon Kim (1 patent)Han Wool ChaChang Hyuk One (1 patent)Han Wool ChaHan Wool Cha (7 patents)Eun Hye KimEun Hye Kim (5 patents)In Hae ChoiIn Hae Choi (3 patents)Seok Gyu LeeSeok Gyu Lee (3 patents)Sul Gi KimSul Gi Kim (3 patents)Na Young KimNa Young Kim (70 patents)Dong Hee HongDong Hee Hong (3 patents)Dong Hyun BanDong Hyun Ban (3 patents)Hui Su KimHui Su Kim (2 patents)Tae Jun ChoiTae Jun Choi (3 patents)Dae Nyeon KimDae Nyeon Kim (3 patents)Chang Hyuk OneChang Hyuk One (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kakao Corporation (7 from 104 patents)

2. Dk Techin Corp. (1 from 1 patent)


7 patents:

1. 12438833 - Method and apparatus for messaging service

2. 12348470 - Instant messaging server providing multiple types of chat rooms

3. 12323374 - Method and apparatus for messaging service

4. 12299059 - Method and apparatus for messaging service

5. 12126579 - Method and apparatus for messaging service

6. 12095714 - Method and apparatus for messaging service

7. 11824823 - Instant messaging server providing multiple types of chat rooms

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idiyas.com
as of
1/13/2026
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