Average Co-Inventor Count = 3.43
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. Rank Xerox Ltd. (2 from 117 patents)
2 patents:
1. 3948511 - Sheet feeding devices
2. 3936042 - Sheet feeding devices