Average Co-Inventor Count = 3.00
ph-index = 2
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. Lianhong Art Co., Ltd. (2 from 21 patents)
2 patents:
1. 10480227 - Hinge device with dual shaft
2. 9677308 - Hinge having movable shaft