Average Co-Inventor Count = 5.09
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. Kikkoman Corporation (2 from 235 patents)
2 patents:
1. 4922650 - System for manufacturing solid medium
2. 4851115 - Separator with movable receptacles