Average Co-Inventor Count = 6.72
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 Inc. (4 from 759 patents)
4 patents:
1. 6368041 - Drum elevator system
2. 6164040 - Cartoner with ink jet coder
3. 6123201 - Drum elevator system
4. 5350051 - Agitator apparatus for cylindrical articles