Average Co-Inventor Count = 4.00
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. Tsukihoshi Kasei Kabushiki Kaisha (2 from 3 patents)
2 patents:
1. 4476670 - Speed-slowing conveying tool for fruits and the like
2. 3997674 - Preservation of agricultural products