Average Co-Inventor Count = 2.90
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. Pfu Limited (3 from 678 patents)
3 patents:
1. D982661 - Imprinter for scanner
2. D958793 - Scanner
3. D958794 - Scanner