Average Co-Inventor Count = 3.60
ph-index = 2
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 1,038 patents)
3 patents:
1. 616155 - Automatic smoking machine
2. 6161551 - Automatic smoking machine
3. 6077481 - Automatic pretreatment system for analyzing component of specimen