Average Co-Inventor Count = 3.43
ph-index = 2
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. R.j. Reynolds Tobacco Company (2 from 961 patents)
2 patents:
1. 5203355 - Cigarette with cellulosic substrate
2. 4763673 - Method and apparatus for ejecting tobacco from filter cigarettes