Average Co-Inventor Count = 3.75
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 (2 from 164,108 patents)
2 patents:
1. 6279004 - Database index key versioning
2. 6279003 - Self-describing multiple key format database index