Average Co-Inventor Count = 4.00
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. Hangzhou Dana Technology Inc. (3 from 8 patents)
3 patents:
1. 11749128 - Answer correction method and device
2. 11450081 - Examination paper correction method and apparatus, electronic device, and storage medium
3. 11410407 - Method and device for generating collection of incorrectly-answered questions