Average Co-Inventor Count = 2.00
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. D289291 - Interactive graphics data terminal
2. D282363 - Telephone handset
3. D261002 - Typewriter or the like
4. D260516 - Terminal printer cover