Average Co-Inventor Count = 12.00
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. Zhengzhou Tobacco Research Institute of Cntc (1 from 5 patents)
2. China Tobacco Yunnan Industrial Co., Ltd (57 patents)
1 patent:
1. 12422330 - System for online testing of packaging tightness of cigarette boxes