Average Co-Inventor Count = 2.00
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. Savin Corporation (2 from 105 patents)
2 patents:
1. D295868 - Copying machine with document handler and sorter
2. D291892 - Copying machine