Average Co-Inventor Count = 14.01
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. China Tobacco Yunnan Industrial Co., Ltd (1 from 57 patents)
1 patent:
1. 11206867 - Variable-frequency surface acoustic wave electronic cigarette