Average Co-Inventor Count = 4.31
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. R.j. Reynolds Tobacco Company (4 from 962 patents)
4 patents:
1. 4955399 - Smoking article
2. 4924883 - Smoking article
3. 4917119 - Drug delivery article
4. 4913168 - Flavor delivery article