Haejin KIM

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Paju-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for recommending learning using optical charac...
- Patent number 12,266,198
- Issue date Apr 1, 2025
- WOONGJIN THINKBIG CO., LTD.
- Jinhwan Jeong
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for providing learning questions using games, and operati...
- Patent number 12,223,856
- Issue date Feb 11, 2025
- WOONGJIN THINKBIG CO., LTD.
- Jinhwan Jeong
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR SUPPORTING LEARNING OF PROBLEM
- Publication number 20250191488
- Publication date Jun 12, 2025
- WOONGJIN THINKBIG CO., LTD.
- Samrak CHOI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS FOR PROVIDING LEARNING QUESTIONS USING GAMES, AND OPERATI...
- Publication number 20240221529
- Publication date Jul 4, 2024
- WOONGJIN THINKBIG CO., LTD.
- Jinhwan JEONG
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
APPARATUS AND METHOD FOR RECOMMENDING LEARNING USING OPTICAL CHARAC...
- Publication number 20230112614
- Publication date Apr 13, 2023
- WOONGJIN THINKBIG CO., LTD.
- Jinhwan JEONG
- G06 - COMPUTING CALCULATING COUNTING