Average Co-Inventor Count = 2.86
ph-index = 2
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. Origin Technology, Inc. (2 from 3 patents)
2 patents:
1. 5007081 - Speech activated telephone
2. D306444 - Telephone set