Average Co-Inventor Count = 4.00
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. (2 from 1,038 patents)
2 patents:
1. 616155 - Automatic smoking machine
2. 6161551 - Automatic smoking machine