Average Co-Inventor Count = 14.37
ph-index = 4
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. Philip Morris Inc. (4 from 759 patents)
4 patents:
1. 5750964 - Electrical heater of an electrical smoking system
2. 5708258 - Electrical smoking system
3. 5666978 - Electrical smoking system for delivering flavors and method for making
4. 5388594 - Electrical smoking system for delivering flavors and method for making