Average Co-Inventor Count = 3.33
ph-index = 3
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 Products S.a. (3 from 1,280 patents)
2. Verisure Sarl (2 from 16 patents)
5 patents:
1. D935685 - Lighter for heated tobacco sticks
2. D932685 - Extinguisher for heated tobacco sticks
3. D904913 - Part of alarm device
4. D870367 - Lighter/extinguisher for heated tobacco sticks
5. D860023 - Part of alarm device