Average Co-Inventor Count = 3.00
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. Liggett & Myers, Incorporated (2 from 9 patents)
2. Consolidated Cigar Corporation (1 from 4 patents)
3. Gulf & Western Company (1 from 1 patent)
4 patents:
1. 4452257 - Treatment for natural leaf tobacco wrapper
2. 4243053 - Filter cigar
3. 4052993 - Cinnamic derivatives as tobacco additives
4. 3943943 - Cinnamic derivatives as tobacco additives