Average Co-Inventor Count = 4.44
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. Japan Tobacco Inc. (3 from 1,040 patents)
3 patents:
1. 8826916 - Filter for smoking
2. 8356607 - Smoking article and method of manufacturing same, and method of manufacturing carbon monoxide reducing agent
3. 8349763 - Carbon monoxide reduction catalyst for smoking articles and method for producing the same