Average Co-Inventor Count = 4.50
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 (3 from 164,197 patents)
3 patents:
1. 4519553 - Multiple spindle winding apparatus
2. 4392739 - Electromechanically operated fuser roll closure
3. 4363549 - Electromechanically operated fuser roll closure