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. The Japan Tobacco Salt Public Corporation (1 from 45 patents)
2. Sanjo Machine Works, Ltd. (1 from 7 patents)
3. Neo Filter Co., Ltd. (1 from 1 patent)
1 patent:
1. 4008555 - Apparatus for piling rod-shaped articles in a container