Average Co-Inventor Count = 2.00
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. Gte Automatic Electric Laboratories Incorporated (2 from 258 patents)
2 patents:
1. 4175215 - Multiport conference circuit
2. 4126766 - 3-Port conference circuit for use in private automatic branch exchange