Average Co-Inventor Count = 3.26
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 USA Inc. (8 from 731 patents)
2. Philip Morris Inc. (2 from 759 patents)
3. Philip Morris Products S.a. (1,282 patents)
10 patents:
1. 11559080 - Compound horizontal filter assembly machine and process
2. 10299507 - Compound horizontal filter assembly machine and process
3. 8424539 - Smoking article with single piece restrictor and chamber
4. 8353298 - Smoking article with impaction filter segment
5. 8235057 - Smoking article with open ended filter and restrictor
6. 8142598 - Filter tube making
7. 8109277 - Smoking article filter with annular restrictor and downstream ventilation
8. 8020566 - Apparatus for dispensing a metered amount of liquid to a porous plug
9. 6053176 - Heater and method for efficiently generating an aerosol from an indexing
10. 5146666 - Method and apparatus for cutting, forming, and inserting cups into tubes