Average Co-Inventor Count = 3.16
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.
Company Filing History:
1. Woongjin Thinkbig Co., Ltd. (6 from 18 patents)
6 patents:
1. 12494084 - Apparatus and method for supporting learning
2. 12327494 - Apparatus and method for providing questions for learning
3. 12026813 - Apparatus and method for providing digital twin book shelf
4. 11960821 - Apparatus and method for providing electric book
5. 11822876 - System and method for providing personalized book
6. 11747914 - System and method for providing electric book based on reading type