Average Co-Inventor Count = 3.27
ph-index = 3
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. Pfu Limited (3 from 678 patents)
3 patents:
1. D839955 - Imprinter for scanner
2. 8371573 - Feeding device
3. 7913994 - Feeding device