Average Co-Inventor Count = 2.00
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. Shandong Lanbeisite Educational Equipment Group (1 from 6 patents)
1 patent:
1. 11137899 - Liquid crystal writing film, partial erasing method, multi-voltage output circuit and positioning system capable of partial erasing