Average Co-Inventor Count = 8.00
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. South China Company, China Oil & Gas Pipeline Network Corporation (1 from 3 patents)
2. Xi'an Aerospace Yuanzheng Fluid Control Co. Ltd (1 from 1 patent)
1 patent:
1. 11009135 - Four valve disc frictionless ball valve