Average Co-Inventor Count = 3.00
ph-index = 1
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 164,219 patents)
2 patents:
1. 6370948 - Mini-tension tester
2. 6185999 - Mini-tension tester