Average Co-Inventor Count = 3.43
ph-index = 3
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 (4 from 164,197 patents)
4 patents:
1. 7263917 - Open-ended spin tool
2. 7011503 - Fan blade for allowing airflow with fan in failure condition
3. 6950005 - Adjustable coilform for variable inductance
4. 6710604 - Device and method for directly injecting a test signal into a cable