Average Co-Inventor Count = 3.60
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 164,244 patents)
3 patents:
1. D293443 - Personal computer with diskette drive
2. D284664 - Personal Computer
3. D282363 - Telephone handset