Average Co-Inventor Count = 4.29
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. International Business Machines Corporation (3 from 164,108 patents)
3 patents:
1. 5563750 - Shaft mounting for a disk file
2. 5315463 - Disk file having thermal expansion ring for ensuring disk/hub
3. 5124855 - Disk file with isolation mount