Average Co-Inventor Count = 2.67
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. Silicon Graphics, Incorporated (2 from 715 patents)
2 patents:
1. 5287504 - File alteration monitor for computer operating and file management system
2. 5226163 - File characterization for computer operating and file management systems