Average Co-Inventor Count = 6.00
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. (1 from 18 patents)
1 patent:
1. 12223856 - Apparatus for providing learning questions using games, and operating method of system for providing learning questions having the same