Average Co-Inventor Count = 1.48
ph-index = 1
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. Filtrona Filter Products Development Co.pte.ltd (2 from 5 patents)
2. Essentra Filter Products Development Co. Pte. Ltd (1 from 12 patents)
3. Filtrona International Limited (1 from 7 patents)
4 patents:
1. 11918035 - Tobacco smoke filter
2. 10730688 - Dispenser for particulate material
3. 10390560 - Flavour stick
4. 7980250 - Smokers filter