Average Co-Inventor Count = 10.47
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 Hunan Industrial Co., Ltd. (2 from 56 patents)
2 patents:
1. 12150474 - Cooling cigarette filter and cigarette
2. 12137730 - Cooling cigarette filter and smoking product