Average Co-Inventor Count = 2.66
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 (6 from 164,197 patents)
6 patents:
1. 5162979 - Personal computer processor card interconnect system
2. D290360 - Keyboard for a personal computer
3. D289292 - Transportable computer
4. D288204 - Keyboard for a personal computer
5. D287972 - Keyboard for a personal computer
6. D284009 - Keyboard panel