Average Co-Inventor Count = 1.84
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. (3 from 759 patents)
2. Philip Morris Products Inc. (1 from 31 patents)
3. Philip Morris Management Corp. (1 from 4 patents)
5 patents:
1. 5425218 - Method for making a heatsealable carton
2. 5249416 - Cigarette packaging machine and apparatus
3. 5192262 - Container wrappers with integral tear tape, and methods and apparatus
4. 5115737 - Hot rotary stamper apparatus and methods for metal leaf stamping
5. 4938363 - Container wrapper with integral tear tape, and methods and apparatus for