Average Co-Inventor Count = 1.67
ph-index = 4
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 (5 from 164,244 patents)
5 patents:
1. D360893 - Printer
2. D335302 - Printer control panel
3. D325926 - Printer cabinet
4. D290610 - Printer console
5. D267151 - Typewriter