Average Co-Inventor Count = 8.47
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. 7131080 - Simulation management system
2. 7111275 - Electronic circuit design analysis system