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. Filenet Corporation (3 from 6 patents)
3 patents:
1. 4685095 - Optical storage and retrieval device
2. 4675856 - Optical storage and retrieval device
3. 4608679 - Optical storage and retrieval device